258016794 has 32 divisors (see below), whose sum is σ = 599754240. Its totient is φ = 72468912.

The previous prime is 258016777. The next prime is 258016841. The reversal of 258016794 is 497610852.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 49584 + ... + 54539.

It is an arithmetic number, because the mean of its divisors is an integer number (18742320).

Almost surely, 2^258016794 is an apocalyptic number.

258016794 is an abundant number, since it is smaller than the sum of its proper divisors (341737446).

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

258016794 is a wasteful number, since it uses less digits than its factorization.

258016794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104194.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 258016794 is about 16062.9011700876. The cubic root of 258016794 is about 636.6234886915.

The spelling of 258016794 in words is "two hundred fifty-eight million, sixteen thousand, seven hundred ninety-four".