89703621 has 24 divisors (see below), whose sum is σ = 149452160. Its totient is φ = 50785056.

The previous prime is 89703619. The next prime is 89703629. The reversal of 89703621 is 12630798.

It is not a de Polignac number, because 89703621 - 2¹ = 89703619 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89703629) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 336 + ... + 13398.

Almost surely, 2^89703621 is an apocalyptic number.

It is an amenable number.

89703621 is a deficient number, since it is larger than the sum of its proper divisors (59748539).

89703621 is a wasteful number, since it uses less digits than its factorization.

89703621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13185 (or 13182 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 89703621 is about 9471.1995544387. The cubic root of 89703621 is about 447.6480098819.

The spelling of 89703621 in words is "eighty-nine million, seven hundred three thousand, six hundred twenty-one".