42930216 has 64 divisors (see below), whose sum is σ = 136291200. Its totient is φ = 12265344.

The previous prime is 42930203. The next prime is 42930233. The reversal of 42930216 is 61203924.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 42930216.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12685 + ... + 15708.

It is an arithmetic number, because the mean of its divisors is an integer number (2129550).

Almost surely, 2^42930216 is an apocalyptic number.

It is an amenable number.

42930216 is an abundant number, since it is smaller than the sum of its proper divisors (93360984).

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

42930216 is a wasteful number, since it uses less digits than its factorization.

42930216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28415 (or 28405 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 42930216 is about 6552.1153835994. The cubic root of 42930216 is about 350.1501831670.

The spelling of 42930216 in words is "forty-two million, nine hundred thirty thousand, two hundred sixteen".