1004631 has 4 divisors (see below), whose sum is σ = 1339512. Its totient is φ = 669752.

The previous prime is 1004599. The next prime is 1004651. The reversal of 1004631 is 1364001.

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 1004631 - 2⁵ = 1004599 is a prime.

It is a super-2 number, since 2×1004631² = 2018566892322, which contains 22 as substring.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 1004631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004651) 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, 167436 + ... + 167441.

It is an arithmetic number, because the mean of its divisors is an integer number (334878).

2^1004631 is an apocalyptic number.

1004631 is a deficient number, since it is larger than the sum of its proper divisors (334881).

1004631 is an equidigital number, since it uses as much as digits as its factorization.

1004631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334880.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1004631 is about 1002.3128254193. The cubic root of 1004631 is about 100.1541289872.

Adding to 1004631 its reverse (1364001), we get a palindrome (2368632).

The spelling of 1004631 in words is "one million, four thousand, six hundred thirty-one".