89438442 has 16 divisors (see below), whose sum is σ = 180079200. Its totient is φ = 29612432.

The previous prime is 89438431. The next prime is 89438443. The reversal of 89438442 is 24483498.

It is a junction number, because it is equal to n+sod(n) for n = 89438394 and 89438403.

It is not an unprimeable number, because it can be changed into a prime (89438443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49128 + ... + 50915.

It is an arithmetic number, because the mean of its divisors is an integer number (11254950).

Almost surely, 2^89438442 is an apocalyptic number.

89438442 is an abundant number, since it is smaller than the sum of its proper divisors (90640758).

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

89438442 is a wasteful number, since it uses less digits than its factorization.

89438442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100197.

The product of its digits is 221184, while the sum is 42.

The square root of 89438442 is about 9457.1899631973. The cubic root of 89438442 is about 447.2064668863.

The spelling of 89438442 in words is "eighty-nine million, four hundred thirty-eight thousand, four hundred forty-two".