234731904 has 128 divisors (see below), whose sum is σ = 692098560. Its totient is φ = 69888000.

The previous prime is 234731897. The next prime is 234731911. The reversal of 234731904 is 409137432.

234731904 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (234731897) and next prime (234731911).

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257209 + ... + 258119.

It is an arithmetic number, because the mean of its divisors is an integer number (5407020).

Almost surely, 2^234731904 is an apocalyptic number.

234731904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 234731904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346049280).

234731904 is an abundant number, since it is smaller than the sum of its proper divisors (457366656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

234731904 is a wasteful number, since it uses less digits than its factorization.

234731904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000 (or 988 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 234731904 is about 15320.9628940220. The cubic root of 234731904 is about 616.8658201985.

The spelling of 234731904 in words is "two hundred thirty-four million, seven hundred thirty-one thousand, nine hundred four".