4080631 has 4 divisors (see below), whose sum is σ = 4094064. Its totient is φ = 4067200.

The previous prime is 4080613. The next prime is 4080647. The reversal of 4080631 is 1360804.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4080631 - 2²¹ = 1983479 is a prime.

It is a super-2 number, since 2×4080631² = 33303098716322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4080691) 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, 6250 + ... + 6871.

It is an arithmetic number, because the mean of its divisors is an integer number (1023516).

Almost surely, 2^4080631 is an apocalyptic number.

4080631 is a deficient number, since it is larger than the sum of its proper divisors (13433).

4080631 is a wasteful number, since it uses less digits than its factorization.

4080631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13432.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 4080631 is about 2020.0571774086. The cubic root of 4080631 is about 159.7996319964.

The spelling of 4080631 in words is "four million, eighty thousand, six hundred thirty-one".