256834235 has 24 divisors (see below), whose sum is σ = 360002880. Its totient is φ = 175386624.

The previous prime is 256834211. The next prime is 256834241. The reversal of 256834235 is 532438652.

It is a happy number.

It is not a de Polignac number, because 256834235 - 2¹⁰ = 256833211 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60926 + ... + 65004.

It is an arithmetic number, because the mean of its divisors is an integer number (15000120).

Almost surely, 2^256834235 is an apocalyptic number.

256834235 is a deficient number, since it is larger than the sum of its proper divisors (103168645).

256834235 is a wasteful number, since it uses less digits than its factorization.

256834235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4355 (or 4348 counting only the distinct ones).

The product of its digits is 172800, while the sum is 38.

The square root of 256834235 is about 16026.0486396367. The cubic root of 256834235 is about 635.6493945583.

The spelling of 256834235 in words is "two hundred fifty-six million, eight hundred thirty-four thousand, two hundred thirty-five".