404341631 has 4 divisors (see below), whose sum is σ = 414203664. Its totient is φ = 394479600.

The previous prime is 404341601. The next prime is 404341643. The reversal of 404341631 is 136143404.

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 404341631 - 2¹⁴ = 404325247 is a prime.

It is a super-2 number, since 2×404341631² = 326984309119480322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 404341631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404341601) 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, 4930955 + ... + 4931036.

It is an arithmetic number, because the mean of its divisors is an integer number (103550916).

Almost surely, 2^404341631 is an apocalyptic number.

404341631 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

404341631 is a deficient number, since it is larger than the sum of its proper divisors (9862033).

404341631 is an equidigital number, since it uses as much as digits as its factorization.

404341631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9862032.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 404341631 is about 20108.2478351546. The cubic root of 404341631 is about 739.4624968200.

The spelling of 404341631 in words is "four hundred four million, three hundred forty-one thousand, six hundred thirty-one".