89409494 has 16 divisors (see below), whose sum is σ = 146901600. Its totient is φ = 40623744.

The previous prime is 89409493. The next prime is 89409499. The reversal of 89409494 is 49490498.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89409491) 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, 44354 + ... + 46325.

It is an arithmetic number, because the mean of its divisors is an integer number (9181350).

Almost surely, 2^89409494 is an apocalyptic number.

89409494 is a deficient number, since it is larger than the sum of its proper divisors (57492106).

89409494 is a wasteful number, since it uses less digits than its factorization.

89409494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90727.

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 89409494 is about 9455.6593635769. The cubic root of 89409494 is about 447.1582134752.

The spelling of 89409494 in words is "eighty-nine million, four hundred nine thousand, four hundred ninety-four".