89438394 has 32 divisors (see below), whose sum is σ = 190403136. Its totient is φ = 27910400.

The previous prime is 89438389. The next prime is 89438399. The reversal of 89438394 is 49383498.

It is an interprime number because it is at equal distance from previous prime (89438389) and next prime (89438399).

It is not an unprimeable number, because it can be changed into a prime (89438399) 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, 17869 + ... + 22319.

It is an arithmetic number, because the mean of its divisors is an integer number (5950098).

Almost surely, 2^89438394 is an apocalyptic number.

89438394 is an abundant number, since it is smaller than the sum of its proper divisors (100964742).

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

89438394 is a wasteful number, since it uses less digits than its factorization.

89438394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4670.

The product of its digits is 746496, while the sum is 48.

The square root of 89438394 is about 9457.1874254453. The cubic root of 89438394 is about 447.2063868838.

The spelling of 89438394 in words is "eighty-nine million, four hundred thirty-eight thousand, three hundred ninety-four".