256084355 has 8 divisors (see below), whose sum is σ = 317898000. Its totient is φ = 197802976.

The previous prime is 256084351. The next prime is 256084391. The reversal of 256084355 is 553480652.

256084355 = T₂₉₀ + T₂₉₁ + ... + T₁₁₅₉.

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

It is a cyclic number.

It is not a de Polignac number, because 256084355 - 2² = 256084351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (256084351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 882905 + ... + 883194.

It is an arithmetic number, because the mean of its divisors is an integer number (39737250).

Almost surely, 2^256084355 is an apocalyptic number.

256084355 is a deficient number, since it is larger than the sum of its proper divisors (61813645).

256084355 is a wasteful number, since it uses less digits than its factorization.

256084355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1766133.

The product of its (nonzero) digits is 144000, while the sum is 38.

The square root of 256084355 is about 16002.6358766298. The cubic root of 256084355 is about 635.0301554282.

The spelling of 256084355 in words is "two hundred fifty-six million, eighty-four thousand, three hundred fifty-five".