89804840 has 16 divisors (see below), whose sum is σ = 202060980. Its totient is φ = 35921920.

The previous prime is 89804839. The next prime is 89804867. The reversal of 89804840 is 4840898.

It can be written as a sum of positive squares in 2 ways, for example, as 72148036 + 17656804 = 8494^2 + 4202^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1122521 + ... + 1122600.

Almost surely, 2^89804840 is an apocalyptic number.

It is an amenable number.

89804840 is an abundant number, since it is smaller than the sum of its proper divisors (112256140).

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

89804840 is a wasteful number, since it uses less digits than its factorization.

89804840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2245132 (or 2245128 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 41.

The square root of 89804840 is about 9476.5415632497. The cubic root of 89804840 is about 447.8163176630.

The spelling of 89804840 in words is "eighty-nine million, eight hundred four thousand, eight hundred forty".