4055997 has 16 divisors (see below), whose sum is σ = 5970240. Its totient is φ = 2428800.

The previous prime is 4055993. The next prime is 4056023. The reversal of 4055997 is 7995504.

It is not a de Polignac number, because 4055997 - 2² = 4055993 is a prime.

It is a super-2 number, since 2×4055997² = 32902223328018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4055993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2247 + ... + 3627.

It is an arithmetic number, because the mean of its divisors is an integer number (373140).

Almost surely, 2^4055997 is an apocalyptic number.

It is an amenable number.

4055997 is a deficient number, since it is larger than the sum of its proper divisors (1914243).

4055997 is a wasteful number, since it uses less digits than its factorization.

4055997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1484.

The product of its (nonzero) digits is 56700, while the sum is 39.

The square root of 4055997 is about 2013.9505952232. The cubic root of 4055997 is about 159.4774226682.

The spelling of 4055997 in words is "four million, fifty-five thousand, nine hundred ninety-seven".