89685420 has 48 divisors (see below), whose sum is σ = 273950208. Its totient is φ = 21741760.

The previous prime is 89685419. The next prime is 89685437. The reversal of 89685420 is 2458698.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67284 + ... + 68603.

It is an arithmetic number, because the mean of its divisors is an integer number (5707296).

Almost surely, 2^89685420 is an apocalyptic number.

It is an amenable number.

89685420 is an abundant number, since it is smaller than the sum of its proper divisors (184264788).

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

89685420 is a wasteful number, since it uses less digits than its factorization.

89685420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135910 (or 135908 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 89685420 is about 9470.2386453563. The cubic root of 89685420 is about 447.6177316818.

The spelling of 89685420 in words is "eighty-nine million, six hundred eighty-five thousand, four hundred twenty".