42398370 has 64 divisors (see below), whose sum is σ = 129219840. Its totient is φ = 9690624.

The previous prime is 42398353. The next prime is 42398381. The reversal of 42398370 is 7389324.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9327 + ... + 13106.

It is an arithmetic number, because the mean of its divisors is an integer number (2019060).

Almost surely, 2^42398370 is an apocalyptic number.

42398370 is an abundant number, since it is smaller than the sum of its proper divisors (86821470).

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

42398370 is a wasteful number, since it uses less digits than its factorization.

42398370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22456 (or 22450 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 42398370 is about 6511.4030746069. The cubic root of 42398370 is about 348.6982117573.

The spelling of 42398370 in words is "forty-two million, three hundred ninety-eight thousand, three hundred seventy".