39306693 has 8 divisors (see below), whose sum is σ = 52447648. Its totient is φ = 26185104.

The previous prime is 39306661. The next prime is 39306697. The reversal of 39306693 is 39660393.

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

It is not a de Polignac number, because 39306693 - 2⁵ = 39306661 is a prime.

It is a super-2 number, since 2×39306693² = 3090032229192498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39306697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 855 + ... + 8907.

It is an arithmetic number, because the mean of its divisors is an integer number (6555956).

Almost surely, 2^39306693 is an apocalyptic number.

It is an amenable number.

39306693 is a deficient number, since it is larger than the sum of its proper divisors (13140955).

39306693 is a wasteful number, since it uses less digits than its factorization.

39306693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9683.

The product of its (nonzero) digits is 78732, while the sum is 39.

The square root of 39306693 is about 6269.5050043843. The cubic root of 39306693 is about 340.0077651052.

The spelling of 39306693 in words is "thirty-nine million, three hundred six thousand, six hundred ninety-three".