4056997 has 4 divisors (see below), whose sum is σ = 4636576. Its totient is φ = 3477420.

The previous prime is 4056989. The next prime is 4057019. The reversal of 4056997 is 7996504.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4056997 - 2³ = 4056989 is a prime.

4056997 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4056967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289779 + ... + 289792.

It is an arithmetic number, because the mean of its divisors is an integer number (1159144).

Almost surely, 2^4056997 is an apocalyptic number.

It is an amenable number.

4056997 is a deficient number, since it is larger than the sum of its proper divisors (579579).

4056997 is an equidigital number, since it uses as much as digits as its factorization.

4056997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579578.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 4056997 is about 2014.1988481776. The cubic root of 4056997 is about 159.4905278980.

The spelling of 4056997 in words is "four million, fifty-six thousand, nine hundred ninety-seven".