4055631 has 16 divisors (see below), whose sum is σ = 5596800. Its totient is φ = 2610720.

The previous prime is 4055627. The next prime is 4055633. The reversal of 4055631 is 1365504.

It is not a de Polignac number, because 4055631 - 2² = 4055627 is a prime.

It is a super-2 number, since 2×4055631² = 32896285616322, which contains 22 as substring.

It is a plaindrome in base 14.

It is a zygodrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4055633) 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, 19116 + ... + 19326.

It is an arithmetic number, because the mean of its divisors is an integer number (349800).

Almost surely, 2^4055631 is an apocalyptic number.

4055631 is a deficient number, since it is larger than the sum of its proper divisors (1541169).

4055631 is a wasteful number, since it uses less digits than its factorization.

4055631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 4055631 is about 2013.8597269919. The cubic root of 4055631 is about 159.4726256156.

The spelling of 4055631 in words is "four million, fifty-five thousand, six hundred thirty-one".