693793444 has 6 divisors (see below), whose sum is σ = 1214138534. Its totient is φ = 346896720.

The previous prime is 693793421. The next prime is 693793447. The reversal of 693793444 is 444397396.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 487526400 + 206267044 = 22080^2 + 14362^2 .

It is a super-2 number, since 2×693793444² = 962698685874762272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (693793447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86724177 + ... + 86724184.

Almost surely, 2^693793444 is an apocalyptic number.

It is an amenable number.

693793444 is a deficient number, since it is larger than the sum of its proper divisors (520345090).

693793444 is a wasteful number, since it uses less digits than its factorization.

693793444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173448365 (or 173448363 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 49.

The square root of 693793444 is about 26339.9590736204. The cubic root of 693793444 is about 885.2720046584.

The spelling of 693793444 in words is "six hundred ninety-three million, seven hundred ninety-three thousand, four hundred forty-four".