42397088 has 48 divisors (see below), whose sum is σ = 87413760. Its totient is φ = 20217600.

The previous prime is 42397063. The next prime is 42397093. The reversal of 42397088 is 88079324.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78098 + ... + 78638.

It is an arithmetic number, because the mean of its divisors is an integer number (1821120).

Almost surely, 2^42397088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42397088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43706880).

42397088 is an abundant number, since it is smaller than the sum of its proper divisors (45016672).

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

42397088 is a wasteful number, since it uses less digits than its factorization.

42397088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661 (or 653 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 42397088 is about 6511.3046311780. The cubic root of 42397088 is about 348.6946971913.

The spelling of 42397088 in words is "forty-two million, three hundred ninety-seven thousand, eighty-eight".