866360356 has 9 divisors (see below), whose sum is σ = 1516233649. Its totient is φ = 433150744.

The previous prime is 866360333. The next prime is 866360377. The reversal of 866360356 is 653063668.

The square root of 866360356 is 29434.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 240560100 + 625800256 = 15510^2 + 25016^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 51510 + ... + 66226.

Almost surely, 2^866360356 is an apocalyptic number.

866360356 is the 29434-th square number.

It is an amenable number.

866360356 is a deficient number, since it is larger than the sum of its proper divisors (649873293).

866360356 is an frugal number, since it uses more digits than its factorization.

866360356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29438 (or 14719 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 43.

The cubic root of 866360356 is about 953.3071646959.

The spelling of 866360356 in words is "eight hundred sixty-six million, three hundred sixty thousand, three hundred fifty-six".