89620893 has 6 divisors (see below), whose sum is σ = 129452414. Its totient is φ = 59747256.

The previous prime is 89620877. The next prime is 89620897. The reversal of 89620893 is 39802698.

It can be written as a sum of positive squares in only one way, i.e., 76790169 + 12830724 = 8763^2 + 3582^2 .

It is not a de Polignac number, because 89620893 - 2⁴ = 89620877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89620897) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4978930 + ... + 4978947.

Almost surely, 2^89620893 is an apocalyptic number.

It is an amenable number.

89620893 is a deficient number, since it is larger than the sum of its proper divisors (39831521).

89620893 is a wasteful number, since it uses less digits than its factorization.

89620893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9957883 (or 9957880 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 89620893 is about 9466.8312016218. The cubic root of 89620893 is about 447.5103550344.

The spelling of 89620893 in words is "eighty-nine million, six hundred twenty thousand, eight hundred ninety-three".