89671651 has 8 divisors (see below), whose sum is σ = 96285024. Its totient is φ = 83207040.

The previous prime is 89671639. The next prime is 89671657. The reversal of 89671651 is 15617698.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 89671651 - 2⁵ = 89671619 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89671598 and 89671607.

It is not an unprimeable number, because it can be changed into a prime (89671657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35940 + ... + 38353.

It is an arithmetic number, because the mean of its divisors is an integer number (12035628).

Almost surely, 2^89671651 is an apocalyptic number.

89671651 is a deficient number, since it is larger than the sum of its proper divisors (6613373).

89671651 is a wasteful number, since it uses less digits than its factorization.

89671651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74381.

The product of its digits is 90720, while the sum is 43.

The square root of 89671651 is about 9469.5116558353. The cubic root of 89671651 is about 447.5948235957.

The spelling of 89671651 in words is "eighty-nine million, six hundred seventy-one thousand, six hundred fifty-one".