683899420 has 12 divisors (see below), whose sum is σ = 1436188824. Its totient is φ = 273559760.

The previous prime is 683899417. The next prime is 683899441. The reversal of 683899420 is 24998386.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17097466 + ... + 17097505.

It is an arithmetic number, because the mean of its divisors is an integer number (119682402).

Almost surely, 2^683899420 is an apocalyptic number.

It is an amenable number.

683899420 is an abundant number, since it is smaller than the sum of its proper divisors (752289404).

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

683899420 is a wasteful number, since it uses less digits than its factorization.

683899420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34194980 (or 34194978 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 49.

The square root of 683899420 is about 26151.4707043409. The cubic root of 683899420 is about 881.0436223801.

The spelling of 683899420 in words is "six hundred eighty-three million, eight hundred ninety-nine thousand, four hundred twenty".