258899952 has 40 divisors (see below), whose sum is σ = 686905936. Its totient is φ = 83966976.

The previous prime is 258899939. The next prime is 258899969. The reversal of 258899952 is 259998852.

It is a junction number, because it is equal to n+sod(n) for n = 258899892 and 258899901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71113 + ... + 74664.

Almost surely, 2^258899952 is an apocalyptic number.

It is an amenable number.

258899952 is an abundant number, since it is smaller than the sum of its proper divisors (428005984).

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

258899952 is a wasteful number, since it uses less digits than its factorization.

258899952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145825 (or 145819 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 57.

The square root of 258899952 is about 16090.3682990788. The cubic root of 258899952 is about 637.3490213785.

The spelling of 258899952 in words is "two hundred fifty-eight million, eight hundred ninety-nine thousand, nine hundred fifty-two".