4940256 has 24 divisors (see below), whose sum is σ = 12968424. Its totient is φ = 1646720.

The previous prime is 4940233. The next prime is 4940263. The reversal of 4940256 is 6520494.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×4940256² = 48812258691072, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

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, 25635 + ... + 25826.

It is an arithmetic number, because the mean of its divisors is an integer number (540351).

Almost surely, 2^4940256 is an apocalyptic number.

It is an amenable number.

4940256 is an abundant number, since it is smaller than the sum of its proper divisors (8028168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4940256 is a wasteful number, since it uses less digits than its factorization.

4940256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51474 (or 51466 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 4940256 is about 2222.6686662658. The cubic root of 4940256 is about 170.3137918315.

The spelling of 4940256 in words is "four million, nine hundred forty thousand, two hundred fifty-six".