89970516 has 36 divisors (see below), whose sum is σ = 231285600. Its totient is φ = 29481168.

The previous prime is 89970509. The next prime is 89970527. The reversal of 89970516 is 61507998.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19056 + ... + 23303.

It is an arithmetic number, because the mean of its divisors is an integer number (6424600).

Almost surely, 2^89970516 is an apocalyptic number.

It is an amenable number.

89970516 is an abundant number, since it is smaller than the sum of its proper divisors (141315084).

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

89970516 is a wasteful number, since it uses less digits than its factorization.

89970516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42428 (or 42423 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The square root of 89970516 is about 9485.2789099741. The cubic root of 89970516 is about 448.0915323710.

The spelling of 89970516 in words is "eighty-nine million, nine hundred seventy thousand, five hundred sixteen".