42398588 has 12 divisors (see below), whose sum is σ = 74932872. Its totient is φ = 20989200.

The previous prime is 42398579. The next prime is 42398593. The reversal of 42398588 is 88589324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52070 + ... + 52877.

It is an arithmetic number, because the mean of its divisors is an integer number (6244406).

Almost surely, 2^42398588 is an apocalyptic number.

It is an amenable number.

42398588 is a deficient number, since it is larger than the sum of its proper divisors (32534284).

42398588 is a wasteful number, since it uses less digits than its factorization.

42398588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105052 (or 105050 counting only the distinct ones).

The product of its digits is 552960, while the sum is 47.

The square root of 42398588 is about 6511.4198144491. The cubic root of 42398588 is about 348.6988093910.

The spelling of 42398588 in words is "forty-two million, three hundred ninety-eight thousand, five hundred eighty-eight".