683784874 has 8 divisors (see below), whose sum is σ = 1026876708. Its totient is φ = 341492640.

The previous prime is 683784869. The next prime is 683784889. The reversal of 683784874 is 478487386.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 655001649 + 28783225 = 25593^2 + 5365^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×683784874² = 935123507822391752, which contains 22 as substring.

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, 197757 + ... + 201184.

Almost surely, 2^683784874 is an apocalyptic number.

683784874 is a deficient number, since it is larger than the sum of its proper divisors (343091834).

683784874 is a wasteful number, since it uses less digits than its factorization.

683784874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399800.

The product of its digits is 7225344, while the sum is 55.

The square root of 683784874 is about 26149.2805637172. The cubic root of 683784874 is about 880.9944311030.

The spelling of 683784874 in words is "six hundred eighty-three million, seven hundred eighty-four thousand, eight hundred seventy-four".