89146971 has 12 divisors (see below), whose sum is σ = 128850072. Its totient is φ = 59393376.

The previous prime is 89146933. The next prime is 89146987. The reversal of 89146971 is 17964198.

It is a happy number.

It is not a de Polignac number, because 89146971 - 2⁷ = 89146843 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89146991) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23980 + ... + 27446.

It is an arithmetic number, because the mean of its divisors is an integer number (10737506).

Almost surely, 2^89146971 is an apocalyptic number.

89146971 is a deficient number, since it is larger than the sum of its proper divisors (39703101).

89146971 is a wasteful number, since it uses less digits than its factorization.

89146971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6330 (or 6327 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 89146971 is about 9441.7673663356. The cubic root of 89146971 is about 446.7201377164.

The spelling of 89146971 in words is "eighty-nine million, one hundred forty-six thousand, nine hundred seventy-one".