6256404 has 144 divisors (see below), whose sum is σ = 20582016. Its totient is φ = 1555200.

The previous prime is 6256381. The next prime is 6256409. The reversal of 6256404 is 4046526.

It is a happy number.

6256404 is a `hidden beast` number, since 6 + 256 + 404 = 666.

It is a super-2 number, since 2×6256404² = 78285182022432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6256409) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 102534 + ... + 102594.

Almost surely, 2^6256404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6256404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10291008).

6256404 is an abundant number, since it is smaller than the sum of its proper divisors (14325612).

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

6256404 is a wasteful number, since it uses less digits than its factorization.

6256404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 6256404 is about 2501.2804720783. The cubic root of 6256404 is about 184.2644668903.

The spelling of 6256404 in words is "six million, two hundred fifty-six thousand, four hundred four".