42930988 has 12 divisors (see below), whose sum is σ = 75564720. Its totient is φ = 21341072.

The previous prime is 42930971. The next prime is 42931027. The reversal of 42930988 is 88903924.

It is a happy number.

It is a super-2 number, since 2×42930988² = 3686139461312288, which contains 22 as substring.

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, 30328 + ... + 31711.

It is an arithmetic number, because the mean of its divisors is an integer number (6297060).

Almost surely, 2^42930988 is an apocalyptic number.

It is an amenable number.

42930988 is a deficient number, since it is larger than the sum of its proper divisors (32633732).

42930988 is a wasteful number, since it uses less digits than its factorization.

42930988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62216 (or 62214 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 42930988 is about 6552.1742956060. The cubic root of 42930988 is about 350.1522820331.

The spelling of 42930988 in words is "forty-two million, nine hundred thirty thousand, nine hundred eighty-eight".