693955738 has 12 divisors (see below), whose sum is σ = 1210882122. Its totient is φ = 297409560.

The previous prime is 693955727. The next prime is 693955777. The reversal of 693955738 is 837559396.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 685758969 + 8196769 = 26187^2 + 2863^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3540493 + ... + 3540688.

Almost surely, 2^693955738 is an apocalyptic number.

693955738 is a deficient number, since it is larger than the sum of its proper divisors (516926384).

693955738 is a wasteful number, since it uses less digits than its factorization.

693955738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7081197 (or 7081190 counting only the distinct ones).

The product of its digits is 6123600, while the sum is 55.

The square root of 693955738 is about 26343.0396499721. The cubic root of 693955738 is about 885.3410276673.

The spelling of 693955738 in words is "six hundred ninety-three million, nine hundred fifty-five thousand, seven hundred thirty-eight".