83630442 has 32 divisors (see below), whose sum is σ = 195604992. Its totient is φ = 23338224.

The previous prime is 83630441. The next prime is 83630453. The reversal of 83630442 is 24403638.

It is not an unprimeable number, because it can be changed into a prime (83630441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21348 + ... + 24959.

It is an arithmetic number, because the mean of its divisors is an integer number (6112656).

Almost surely, 2^83630442 is an apocalyptic number.

83630442 is an abundant number, since it is smaller than the sum of its proper divisors (111974550).

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

83630442 is a wasteful number, since it uses less digits than its factorization.

83630442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46362.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 83630442 is about 9144.9681246027. The cubic root of 83630442 is about 437.3087133289.

The spelling of 83630442 in words is "eighty-three million, six hundred thirty thousand, four hundred forty-two".