89529438 has 32 divisors (see below), whose sum is σ = 187868160. Its totient is φ = 28404320.

The previous prime is 89529437. The next prime is 89529449. The reversal of 89529438 is 83492598.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89529437) 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, 8731 + ... + 15977.

It is an arithmetic number, because the mean of its divisors is an integer number (5870880).

Almost surely, 2^89529438 is an apocalyptic number.

89529438 is an abundant number, since it is smaller than the sum of its proper divisors (98338722).

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

89529438 is a wasteful number, since it uses less digits than its factorization.

89529438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7352.

The product of its digits is 622080, while the sum is 48.

The square root of 89529438 is about 9461.9996829423. Note that the first 3 decimals coincide. The cubic root of 89529438 is about 447.3580803151.

The spelling of 89529438 in words is "eighty-nine million, five hundred twenty-nine thousand, four hundred thirty-eight".