683224640 has 84 divisors (see below), whose sum is σ = 1892593116. Its totient is φ = 234243072.

The previous prime is 683224631. The next prime is 683224651. The reversal of 683224640 is 46422386.

It can be written as a sum of positive squares in 2 ways, for example, as 84345856 + 598878784 = 9184^2 + 24472^2 .

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 683224640.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6107 + ... + 37466.

Almost surely, 2^683224640 is an apocalyptic number.

It is an amenable number.

683224640 is an abundant number, since it is smaller than the sum of its proper divisors (1209368476).

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

683224640 is a wasteful number, since it uses less digits than its factorization.

683224640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43604 (or 43587 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 35.

The square root of 683224640 is about 26138.5661427707. The cubic root of 683224640 is about 880.7537618962.

The spelling of 683224640 in words is "six hundred eighty-three million, two hundred twenty-four thousand, six hundred forty".