39215042 has 8 divisors (see below), whose sum is σ = 60412476. Its totient is φ = 19077552.

The previous prime is 39215041. The next prime is 39215053. The reversal of 39215042 is 24051293.

It can be written as a sum of positive squares in 2 ways, for example, as 30459361 + 8755681 = 5519^2 + 2959^2 .

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 (39215041) 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, 264893 + ... + 265040.

Almost surely, 2^39215042 is an apocalyptic number.

39215042 is a deficient number, since it is larger than the sum of its proper divisors (21197434).

39215042 is a wasteful number, since it uses less digits than its factorization.

39215042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529972.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 39215042 is about 6262.1914694458. The cubic root of 39215042 is about 339.7432952758.

The spelling of 39215042 in words is "thirty-nine million, two hundred fifteen thousand, forty-two".