683674840 has 16 divisors (see below), whose sum is σ = 1538268480. Its totient is φ = 273469920.

The previous prime is 683674819. The next prime is 683674843. The reversal of 683674840 is 48476386.

It is a super-2 number, since 2×683674840² = 934822573698051200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683674843) 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, 8545896 + ... + 8545975.

It is an arithmetic number, because the mean of its divisors is an integer number (96141780).

Almost surely, 2^683674840 is an apocalyptic number.

It is an amenable number.

683674840 is an abundant number, since it is smaller than the sum of its proper divisors (854593640).

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

683674840 is a wasteful number, since it uses less digits than its factorization.

683674840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17091882 (or 17091878 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 46.

The square root of 683674840 is about 26147.1765206112. The cubic root of 683674840 is about 880.9471723110.

The spelling of 683674840 in words is "six hundred eighty-three million, six hundred seventy-four thousand, eight hundred forty".