1043631 has 8 divisors (see below), whose sum is σ = 1546160. Its totient is φ = 695736.

The previous prime is 1043617. The next prime is 1043639. The reversal of 1043631 is 1363401.

It is not a de Polignac number, because 1043631 - 2⁵ = 1043599 is a prime.

It is a super-2 number, since 2×1043631² = 2178331328322, 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 (1043639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19300 + ... + 19353.

It is an arithmetic number, because the mean of its divisors is an integer number (193270).

2^1043631 is an apocalyptic number.

1043631 is a deficient number, since it is larger than the sum of its proper divisors (502529).

1043631 is an equidigital number, since it uses as much as digits as its factorization.

1043631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38662 (or 38656 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1043631 is about 1021.5825957797. The cubic root of 1043631 is about 101.4337130993.

The spelling of 1043631 in words is "one million, forty-three thousand, six hundred thirty-one".