89913861 has 16 divisors (see below), whose sum is σ = 136456320. Its totient is φ = 58479840.

The previous prime is 89913839. The next prime is 89913883. The reversal of 89913861 is 16831998.

It is an interprime number because it is at equal distance from previous prime (89913839) and next prime (89913883).

It is not a de Polignac number, because 89913861 - 2⁵ = 89913829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89913661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39505 + ... + 41718.

It is an arithmetic number, because the mean of its divisors is an integer number (8528520).

Almost surely, 2^89913861 is an apocalyptic number.

It is an amenable number.

89913861 is a deficient number, since it is larger than the sum of its proper divisors (46542459).

89913861 is a wasteful number, since it uses less digits than its factorization.

89913861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81273 (or 81267 counting only the distinct ones).

The product of its digits is 93312, while the sum is 45.

The square root of 89913861 is about 9482.2919697719. The cubic root of 89913861 is about 447.9974572693.

The spelling of 89913861 in words is "eighty-nine million, nine hundred thirteen thousand, eight hundred sixty-one".