39157258 has 16 divisors (see below), whose sum is σ = 67207104. Its totient is φ = 16761600.

The previous prime is 39157253. The next prime is 39157259. The reversal of 39157258 is 85275193.

39157258 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 39157258.

It is not an unprimeable number, because it can be changed into a prime (39157253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21541 + ... + 23287.

It is an arithmetic number, because the mean of its divisors is an integer number (4200444).

Almost surely, 2^39157258 is an apocalyptic number.

39157258 is a deficient number, since it is larger than the sum of its proper divisors (28049846).

39157258 is a wasteful number, since it uses less digits than its factorization.

39157258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3357.

The product of its digits is 75600, while the sum is 40.

The square root of 39157258 is about 6257.5760482794. The cubic root of 39157258 is about 339.5763408282.

The spelling of 39157258 in words is "thirty-nine million, one hundred fifty-seven thousand, two hundred fifty-eight".