258304632 has 32 divisors (see below), whose sum is σ = 653546880. Its totient is φ = 85063520.

The previous prime is 258304619. The next prime is 258304637. The reversal of 258304632 is 236403852.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 258304593 and 258304602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258304637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62844 + ... + 66827.

It is an arithmetic number, because the mean of its divisors is an integer number (20423340).

Almost surely, 2^258304632 is an apocalyptic number.

It is an amenable number.

258304632 is an abundant number, since it is smaller than the sum of its proper divisors (395242248).

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

258304632 is a wasteful number, since it uses less digits than its factorization.

258304632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129763 (or 129759 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 258304632 is about 16071.8583866335. The cubic root of 258304632 is about 636.8601352161.

The spelling of 258304632 in words is "two hundred fifty-eight million, three hundred four thousand, six hundred thirty-two".