693680828 has 12 divisors (see below), whose sum is σ = 1266721680. Its totient is φ = 331760352.

The previous prime is 693680807. The next prime is 693680833. The reversal of 693680828 is 828086396.

It is a super-2 number, since 2×693680828² = 962386182269531168, which contains 22 as substring.

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, 3769913 + ... + 3770096.

It is an arithmetic number, because the mean of its divisors is an integer number (105560140).

Almost surely, 2^693680828 is an apocalyptic number.

It is an amenable number.

693680828 is a deficient number, since it is larger than the sum of its proper divisors (573040852).

693680828 is a wasteful number, since it uses less digits than its factorization.

693680828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7540036 (or 7540034 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 50.

The square root of 693680828 is about 26337.8212462611. The cubic root of 693680828 is about 885.2241031839.

The spelling of 693680828 in words is "six hundred ninety-three million, six hundred eighty thousand, eight hundred twenty-eight".