39393697 has 12 divisors (see below), whose sum is σ = 46022256. Its totient is φ = 33621000.

The previous prime is 39393691. The next prime is 39393703. The reversal of 39393697 is 79639393.

It is an interprime number because it is at equal distance from previous prime (39393691) and next prime (39393703).

It is not a de Polignac number, because 39393697 - 2¹⁵ = 39360929 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a self number, because there is not a number n which added to its sum of digits gives 39393697.

It is not an unprimeable number, because it can be changed into a prime (39393691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10698 + ... + 13900.

It is an arithmetic number, because the mean of its divisors is an integer number (3835188).

Almost surely, 2^39393697 is an apocalyptic number.

It is an amenable number.

39393697 is a deficient number, since it is larger than the sum of its proper divisors (6628559).

39393697 is a wasteful number, since it uses less digits than its factorization.

39393697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3468 (or 3461 counting only the distinct ones).

The product of its digits is 826686, while the sum is 49.

The square root of 39393697 is about 6276.4398348108. The cubic root of 39393697 is about 340.2584453658.

The spelling of 39393697 in words is "thirty-nine million, three hundred ninety-three thousand, six hundred ninety-seven".