39157393 has 8 divisors (see below), whose sum is σ = 42783840. Its totient is φ = 35542080.

The previous prime is 39157381. The next prime is 39157411. The reversal of 39157393 is 39375193.

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

It is a cyclic number.

It is not a de Polignac number, because 39157393 - 2⁹ = 39156881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39157333) 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, 5721 + ... + 10537.

It is an arithmetic number, because the mean of its divisors is an integer number (5347980).

Almost surely, 2^39157393 is an apocalyptic number.

It is an amenable number.

39157393 is a deficient number, since it is larger than the sum of its proper divisors (3626447).

39157393 is a wasteful number, since it uses less digits than its factorization.

39157393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5567.

The product of its digits is 76545, while the sum is 40.

The square root of 39157393 is about 6257.5868351945. The cubic root of 39157393 is about 339.5767310730.

The spelling of 39157393 in words is "thirty-nine million, one hundred fifty-seven thousand, three hundred ninety-three".