5631380 has 24 divisors (see below), whose sum is σ = 11880960. Its totient is φ = 2242080.

The previous prime is 5631361. The next prime is 5631383. The reversal of 5631380 is 831365.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5631383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4901 + ... + 5939.

It is an arithmetic number, because the mean of its divisors is an integer number (495040).

Almost surely, 2^5631380 is an apocalyptic number.

It is an amenable number.

5631380 is an abundant number, since it is smaller than the sum of its proper divisors (6249580).

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

5631380 is a wasteful number, since it uses less digits than its factorization.

5631380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1319 (or 1317 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 5631380 is about 2373.0528860521. The cubic root of 5631380 is about 177.9118782765.

The spelling of 5631380 in words is "five million, six hundred thirty-one thousand, three hundred eighty".