256088398 has 8 divisors (see below), whose sum is σ = 385490808. Its totient is φ = 127591464.

The previous prime is 256088389. The next prime is 256088447. The reversal of 256088398 is 893880652.

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, 225661 + ... + 226792.

It is an arithmetic number, because the mean of its divisors is an integer number (48186351).

Almost surely, 2^256088398 is an apocalyptic number.

256088398 is a deficient number, since it is larger than the sum of its proper divisors (129402410).

256088398 is a wasteful number, since it uses less digits than its factorization.

256088398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452738.

The product of its (nonzero) digits is 829440, while the sum is 49.

The square root of 256088398 is about 16002.7621990705. The cubic root of 256088398 is about 635.0334973133.

The spelling of 256088398 in words is "two hundred fifty-six million, eighty-eight thousand, three hundred ninety-eight".