89209404 has 48 divisors (see below), whose sum is σ = 244893600. Its totient is φ = 27986688.

The previous prime is 89209403. The next prime is 89209447. The reversal of 89209404 is 40490298.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89209403) 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, 22459 + ... + 26130.

It is an arithmetic number, because the mean of its divisors is an integer number (5101950).

Almost surely, 2^89209404 is an apocalyptic number.

It is an amenable number.

89209404 is an abundant number, since it is smaller than the sum of its proper divisors (155684196).

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

89209404 is a wasteful number, since it uses less digits than its factorization.

89209404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48619 (or 48611 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 89209404 is about 9445.0730013060. The cubic root of 89209404 is about 446.8243983912.

The spelling of 89209404 in words is "eighty-nine million, two hundred nine thousand, four hundred four".