256037998 has 8 divisors (see below), whose sum is σ = 385071480. Its totient is φ = 127680840.

The previous prime is 256037933. The next prime is 256038011. The reversal of 256037998 is 899730652.

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, 168133 + ... + 169648.

It is an arithmetic number, because the mean of its divisors is an integer number (48133935).

Almost surely, 2^256037998 is an apocalyptic number.

256037998 is a deficient number, since it is larger than the sum of its proper divisors (129033482).

256037998 is a wasteful number, since it uses less digits than its factorization.

256037998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338162.

The product of its (nonzero) digits is 816480, while the sum is 49.

The square root of 256037998 is about 16001.1873934405. The cubic root of 256037998 is about 634.9918348920.

The spelling of 256037998 in words is "two hundred fifty-six million, thirty-seven thousand, nine hundred ninety-eight".