6290440 has 32 divisors (see below), whose sum is σ = 15243480. Its totient is φ = 2322432.

The previous prime is 6290413. The next prime is 6290441. The reversal of 6290440 is 440926.

It can be written as a sum of positive squares in 4 ways, for example, as 2022084 + 4268356 = 1422^2 + 2066^2 .

It is not an unprimeable number, because it can be changed into a prime (6290441) 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, 5529 + ... + 6568.

Almost surely, 2^6290440 is an apocalyptic number.

It is an amenable number.

6290440 is an abundant number, since it is smaller than the sum of its proper divisors (8953040).

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

6290440 is a wasteful number, since it uses less digits than its factorization.

6290440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12121 (or 12117 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 6290440 is about 2508.0749590074. The cubic root of 6290440 is about 184.5980070894.

The spelling of 6290440 in words is "six million, two hundred ninety thousand, four hundred forty".