4056990 has 32 divisors (see below), whose sum is σ = 11128320. Its totient is φ = 927264.

The previous prime is 4056989. The next prime is 4057019. The reversal of 4056990 is 996504.

It is a happy number.

It is a nialpdrome in base 15.

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, 9450 + ... + 9869.

It is an arithmetic number, because the mean of its divisors is an integer number (347760).

Almost surely, 2^4056990 is an apocalyptic number.

4056990 is an abundant number, since it is smaller than the sum of its proper divisors (7071330).

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

4056990 is a wasteful number, since it uses less digits than its factorization.

4056990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19336.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 4056990 is about 2014.1971105133. The cubic root of 4056990 is about 159.4904361689.

The spelling of 4056990 in words is "four million, fifty-six thousand, nine hundred ninety".