3629631 has 4 divisors (see below), whose sum is σ = 4839512. Its totient is φ = 2419752.

The previous prime is 3629629. The next prime is 3629657. The reversal of 3629631 is 1369263.

It is a happy number.

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

It is not a de Polignac number, because 3629631 - 2¹ = 3629629 is a prime.

It is a super-2 number, since 2×3629631² = 26348442392322, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3629671) 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, 604936 + ... + 604941.

It is an arithmetic number, because the mean of its divisors is an integer number (1209878).

Almost surely, 2^3629631 is an apocalyptic number.

3629631 is a deficient number, since it is larger than the sum of its proper divisors (1209881).

3629631 is a wasteful number, since it uses less digits than its factorization.

3629631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209880.

The product of its digits is 5832, while the sum is 30.

The square root of 3629631 is about 1905.1590484786. The cubic root of 3629631 is about 153.6812290761.

The spelling of 3629631 in words is "three million, six hundred twenty-nine thousand, six hundred thirty-one".