42916988 has 18 divisors (see below), whose sum is σ = 78485064. Its totient is φ = 20495464.

The previous prime is 42916961. The next prime is 42916999. The reversal of 42916988 is 88961924.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62495 + ... + 63177.

Almost surely, 2^42916988 is an apocalyptic number.

It is an amenable number.

42916988 is a deficient number, since it is larger than the sum of its proper divisors (35568076).

42916988 is an equidigital number, since it uses as much as digits as its factorization.

42916988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1393 (or 708 counting only the distinct ones).

The product of its digits is 248832, while the sum is 47.

The square root of 42916988 is about 6551.1058608452. The cubic root of 42916988 is about 350.1142157850.

The spelling of 42916988 in words is "forty-two million, nine hundred sixteen thousand, nine hundred eighty-eight".