693540928 has 28 divisors (see below), whose sum is σ = 1420644352. Its totient is φ = 335583360.

The previous prime is 693540923. The next prime is 693540931. The reversal of 693540928 is 829045396.

It is a super-2 number, since 2×693540928² = 961998037622202368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (693540923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172800 + ... + 176767.

Almost surely, 2^693540928 is an apocalyptic number.

It is an amenable number.

693540928 is an abundant number, since it is smaller than the sum of its proper divisors (727103424).

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

693540928 is a wasteful number, since it uses less digits than its factorization.

693540928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349610 (or 349600 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 46.

The square root of 693540928 is about 26335.1652358591. The cubic root of 693540928 is about 885.1645891762.

The spelling of 693540928 in words is "six hundred ninety-three million, five hundred forty thousand, nine hundred twenty-eight".