89969684 has 18 divisors (see below), whose sum is σ = 183152970. Its totient is φ = 38558352.

The previous prime is 89969669. The next prime is 89969701. The reversal of 89969684 is 48696998.

89969684 = T₄₇₂ + T₄₇₃ + ... + T₈₆₃.

It can be written as a sum of positive squares in only one way, i.e., 49392784 + 40576900 = 7028^2 + 6370^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 229319 + ... + 229710.

It is an arithmetic number, because the mean of its divisors is an integer number (10175165).

Almost surely, 2^89969684 is an apocalyptic number.

It is an amenable number.

89969684 is an abundant number, since it is smaller than the sum of its proper divisors (93183286).

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

89969684 is a wasteful number, since it uses less digits than its factorization.

89969684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459047 (or 459038 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 59.

The square root of 89969684 is about 9485.2350524381. The cubic root of 89969684 is about 448.0901511285.

The spelling of 89969684 in words is "eighty-nine million, nine hundred sixty-nine thousand, six hundred eighty-four".