234778624 has 78 divisors (see below), whose sum is σ = 496178016. Its totient is φ = 110960640.

The previous prime is 234778601. The next prime is 234778639. The reversal of 234778624 is 426877432.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5459947 + ... + 5459989.

Almost surely, 2^234778624 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 234778624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248089008).

234778624 is an abundant number, since it is smaller than the sum of its proper divisors (261399392).

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

234778624 is an frugal number, since it uses more digits than its factorization.

234778624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141 (or 76 counting only the distinct ones).

The product of its digits is 451584, while the sum is 43.

The square root of 234778624 is about 15322.4875265082. The cubic root of 234778624 is about 616.9067435650.

The spelling of 234778624 in words is "two hundred thirty-four million, seven hundred seventy-eight thousand, six hundred twenty-four".