694339252 has 6 divisors (see below), whose sum is σ = 1215093698. Its totient is φ = 347169624.

The previous prime is 694339241. The next prime is 694339307. The reversal of 694339252 is 252933496.

It can be written as a sum of positive squares in only one way, i.e., 647498916 + 46840336 = 25446^2 + 6844^2 .

It is a junction number, because it is equal to n+sod(n) for n = 694339199 and 694339208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86792403 + ... + 86792410.

Almost surely, 2^694339252 is an apocalyptic number.

It is an amenable number.

694339252 is a deficient number, since it is larger than the sum of its proper divisors (520754446).

694339252 is a wasteful number, since it uses less digits than its factorization.

694339252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173584817 (or 173584815 counting only the distinct ones).

The product of its digits is 349920, while the sum is 43.

The square root of 694339252 is about 26350.3178728455. The cubic root of 694339252 is about 885.5040919333.

The spelling of 694339252 in words is "six hundred ninety-four million, three hundred thirty-nine thousand, two hundred fifty-two".