6290406 has 32 divisors (see below), whose sum is σ = 14716800. Its totient is φ = 1986120.

The previous prime is 6290377. The next prime is 6290413. The reversal of 6290406 is 6040926.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 6290406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2040 + ... + 4091.

It is an arithmetic number, because the mean of its divisors is an integer number (459900).

Almost surely, 2^6290406 is an apocalyptic number.

6290406 is an abundant number, since it is smaller than the sum of its proper divisors (8426394).

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

6290406 is a wasteful number, since it uses less digits than its factorization.

6290406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6161 (or 6155 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 6290406 is about 2508.0681808914. The cubic root of 6290406 is about 184.5976745031.

The spelling of 6290406 in words is "six million, two hundred ninety thousand, four hundred six".