42888986 has 8 divisors (see below), whose sum is σ = 73524000. Its totient is φ = 18380988.

The previous prime is 42888973. The next prime is 42888991. The reversal of 42888986 is 68988824.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 1531736 + ... + 1531763.

It is an arithmetic number, because the mean of its divisors is an integer number (9190500).

Almost surely, 2^42888986 is an apocalyptic number.

42888986 is a deficient number, since it is larger than the sum of its proper divisors (30635014).

42888986 is a wasteful number, since it uses less digits than its factorization.

42888986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3063508.

The product of its digits is 1769472, while the sum is 53.

The square root of 42888986 is about 6548.9683156968. The cubic root of 42888986 is about 350.0380530055.

The spelling of 42888986 in words is "forty-two million, eight hundred eighty-eight thousand, nine hundred eighty-six".