89204940 has 72 divisors (see below), whose sum is σ = 295193808. Its totient is φ = 21624960.

The previous prime is 89204923. The next prime is 89204953. The reversal of 89204940 is 4940298.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 89204895 and 89204904.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20547 + ... + 24506.

It is an arithmetic number, because the mean of its divisors is an integer number (4099914).

Almost surely, 2^89204940 is an apocalyptic number.

It is an amenable number.

89204940 is an abundant number, since it is smaller than the sum of its proper divisors (205988868).

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

89204940 is a wasteful number, since it uses less digits than its factorization.

89204940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45079 (or 45074 counting only the distinct ones).

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

The square root of 89204940 is about 9444.8366846653. The cubic root of 89204940 is about 446.8169453003.

The spelling of 89204940 in words is "eighty-nine million, two hundred four thousand, nine hundred forty".