39102970 has 8 divisors (see below), whose sum is σ = 70385364. Its totient is φ = 15641184.

The previous prime is 39102913. The next prime is 39102977. The reversal of 39102970 is 7920193.

It can be written as a sum of positive squares in 2 ways, for example, as 37810201 + 1292769 = 6149^2 + 1137^2 .

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

It is not an unprimeable number, because it can be changed into a prime (39102977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1955139 + ... + 1955158.

Almost surely, 2^39102970 is an apocalyptic number.

39102970 is a deficient number, since it is larger than the sum of its proper divisors (31282394).

39102970 is a wasteful number, since it uses less digits than its factorization.

39102970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3910304.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 39102970 is about 6253.2367618698. The cubic root of 39102970 is about 339.4193376113.

The spelling of 39102970 in words is "thirty-nine million, one hundred two thousand, nine hundred seventy".