39368690 has 8 divisors (see below), whose sum is σ = 70863660. Its totient is φ = 15747472.

The previous prime is 39368683. The next prime is 39368701. The reversal of 39368690 is 9686393.

It can be written as a sum of positive squares in 2 ways, for example, as 38950081 + 418609 = 6241^2 + 647^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×39368690² = 3099787504632200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1968425 + ... + 1968444.

Almost surely, 2^39368690 is an apocalyptic number.

39368690 is a deficient number, since it is larger than the sum of its proper divisors (31494970).

39368690 is a wasteful number, since it uses less digits than its factorization.

39368690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3936876.

The product of its (nonzero) digits is 209952, while the sum is 44.

The square root of 39368690 is about 6274.4473860253. The cubic root of 39368690 is about 340.1864317808.

The spelling of 39368690 in words is "thirty-nine million, three hundred sixty-eight thousand, six hundred ninety".