693939952 has 10 divisors (see below), whose sum is σ = 1344508688. Its totient is φ = 346969968.

The previous prime is 693939947. The next prime is 693939959. The reversal of 693939952 is 259939396.

It is a junction number, because it is equal to n+sod(n) for n = 693939893 and 693939902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (693939959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21685608 + ... + 21685639.

Almost surely, 2^693939952 is an apocalyptic number.

It is an amenable number.

693939952 is a deficient number, since it is larger than the sum of its proper divisors (650568736).

693939952 is a wasteful number, since it uses less digits than its factorization.

693939952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43371255 (or 43371249 counting only the distinct ones).

The product of its digits is 3542940, while the sum is 55.

The square root of 693939952 is about 26342.7400245305. The cubic root of 693939952 is about 885.3343144152.

The spelling of 693939952 in words is "six hundred ninety-three million, nine hundred thirty-nine thousand, nine hundred fifty-two".