39198942 has 24 divisors (see below), whose sum is σ = 87672000. Its totient is φ = 12644640.

The previous prime is 39198941. The next prime is 39198967. The reversal of 39198942 is 24989193.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39198941) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34567 + ... + 35682.

It is an arithmetic number, because the mean of its divisors is an integer number (3653000).

Almost surely, 2^39198942 is an apocalyptic number.

39198942 is an abundant number, since it is smaller than the sum of its proper divisors (48473058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39198942 is a wasteful number, since it uses less digits than its factorization.

39198942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70288 (or 70285 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 39198942 is about 6260.9058450036. The cubic root of 39198942 is about 339.6967942777.

The spelling of 39198942 in words is "thirty-nine million, one hundred ninety-eight thousand, nine hundred forty-two".