89979206 has 4 divisors (see below), whose sum is σ = 134968812. Its totient is φ = 44989602.

The previous prime is 89979179. The next prime is 89979229. The reversal of 89979206 is 60297998.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22494800 + ... + 22494803.

It is an arithmetic number, because the mean of its divisors is an integer number (33742203).

Almost surely, 2^89979206 is an apocalyptic number.

89979206 is a deficient number, since it is larger than the sum of its proper divisors (44989606).

89979206 is a wasteful number, since it uses less digits than its factorization.

89979206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44989605.

The product of its (nonzero) digits is 489888, while the sum is 50.

The square root of 89979206 is about 9485.7369771674. The cubic root of 89979206 is about 448.1059585417.

The spelling of 89979206 in words is "eighty-nine million, nine hundred seventy-nine thousand, two hundred six".