256364998 has 8 divisors (see below), whose sum is σ = 407167992. Its totient is φ = 120642336.

The previous prime is 256364987. The next prime is 256365001. The reversal of 256364998 is 899463652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3770040 + ... + 3770107.

It is an arithmetic number, because the mean of its divisors is an integer number (50895999).

Almost surely, 2^256364998 is an apocalyptic number.

256364998 is a deficient number, since it is larger than the sum of its proper divisors (150802994).

256364998 is a wasteful number, since it uses less digits than its factorization.

256364998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7540166.

The product of its digits is 2799360, while the sum is 52.

The square root of 256364998 is about 16011.4021247360. The cubic root of 256364998 is about 635.2620473829.

The spelling of 256364998 in words is "two hundred fifty-six million, three hundred sixty-four thousand, nine hundred ninety-eight".