4256858 has 8 divisors (see below), whose sum is σ = 6591360. Its totient is φ = 2059740.

The previous prime is 4256839. The next prime is 4256897. The reversal of 4256858 is 8586524.

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

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, 34268 + ... + 34391.

It is an arithmetic number, because the mean of its divisors is an integer number (823920).

Almost surely, 2^4256858 is an apocalyptic number.

4256858 is a deficient number, since it is larger than the sum of its proper divisors (2334502).

4256858 is a wasteful number, since it uses less digits than its factorization.

4256858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68692.

The product of its digits is 76800, while the sum is 38.

The square root of 4256858 is about 2063.2154516676. The cubic root of 4256858 is about 162.0676697429.

The spelling of 4256858 in words is "four million, two hundred fifty-six thousand, eight hundred fifty-eight".