89440494 has 32 divisors (see below), whose sum is σ = 210155904. Its totient is φ = 25018080.

The previous prime is 89440493. The next prime is 89440513. The reversal of 89440494 is 49404498.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89440493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51264 + ... + 52979.

It is an arithmetic number, because the mean of its divisors is an integer number (6567372).

Almost surely, 2^89440494 is an apocalyptic number.

89440494 is an abundant number, since it is smaller than the sum of its proper divisors (120715410).

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

89440494 is a wasteful number, since it uses less digits than its factorization.

89440494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104272.

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 89440494 is about 9457.2984514606. The cubic root of 89440494 is about 447.2098869692.

It can be divided in two parts, 894404 and 94, that added together give a palindrome (894498).

The spelling of 89440494 in words is "eighty-nine million, four hundred forty thousand, four hundred ninety-four".