234778500 has 480 divisors, whose sum is σ = 913296384. Its totient is φ = 51840000.

The previous prime is 234778477. The next prime is 234778501. The reversal of 234778500 is 5877432.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (234778501) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 7573485 + ... + 7573515.

Almost surely, 2^234778500 is an apocalyptic number.

234778500 is a gapful number since it is divisible by the number (20) 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 234778500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (456648192).

234778500 is an abundant number, since it is smaller than the sum of its proper divisors (678517884).

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

234778500 is a wasteful number, since it uses less digits than its factorization.

234778500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90 (or 69 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 234778500 is about 15322.4834801673. The cubic root of 234778500 is about 616.9066349571.

The spelling of 234778500 in words is "two hundred thirty-four million, seven hundred seventy-eight thousand, five hundred".