683631564 has 48 divisors (see below), whose sum is σ = 1988749056. Its totient is φ = 177566400.

The previous prime is 683631563. The next prime is 683631569. The reversal of 683631564 is 465136386.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (683631563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 369007 + ... + 370854.

It is an arithmetic number, because the mean of its divisors is an integer number (41432272).

Almost surely, 2^683631564 is an apocalyptic number.

It is an amenable number.

683631564 is an abundant number, since it is smaller than the sum of its proper divisors (1305117492).

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

683631564 is a wasteful number, since it uses less digits than its factorization.

683631564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739886 (or 739884 counting only the distinct ones).

The product of its digits is 311040, while the sum is 42.

The square root of 683631564 is about 26146.3489611839. The cubic root of 683631564 is about 880.9285841986.

The spelling of 683631564 in words is "six hundred eighty-three million, six hundred thirty-one thousand, five hundred sixty-four".