5631630 has 16 divisors (see below), whose sum is σ = 13515984. Its totient is φ = 1501760.

The previous prime is 5631629. The next prime is 5631671. The reversal of 5631630 is 361365.

It is a self number, because there is not a number n which added to its sum of digits gives 5631630.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93831 + ... + 93890.

It is an arithmetic number, because the mean of its divisors is an integer number (844749).

Almost surely, 2^5631630 is an apocalyptic number.

5631630 is an abundant number, since it is smaller than the sum of its proper divisors (7884354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5631630 is a wasteful number, since it uses less digits than its factorization.

5631630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187731.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 5631630 is about 2373.1055602311. The cubic root of 5631630 is about 177.9145109830.

Adding to 5631630 its reverse (361365), we get a palindrome (5992995).

The spelling of 5631630 in words is "five million, six hundred thirty-one thousand, six hundred thirty".