89986906 has 4 divisors (see below), whose sum is σ = 134980362. Its totient is φ = 44993452.

The previous prime is 89986903. The next prime is 89986909. The reversal of 89986906 is 60968998.

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

It is an interprime number because it is at equal distance from previous prime (89986903) and next prime (89986909).

It can be written as a sum of positive squares in only one way, i.e., 46308025 + 43678881 = 6805^2 + 6609^2 .

It is not an unprimeable number, because it can be changed into a prime (89986903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22496725 + ... + 22496728.

Almost surely, 2^89986906 is an apocalyptic number.

89986906 is a deficient number, since it is larger than the sum of its proper divisors (44993456).

89986906 is a wasteful number, since it uses less digits than its factorization.

89986906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44993455.

The product of its (nonzero) digits is 1679616, while the sum is 55.

The square root of 89986906 is about 9486.1428410076. The cubic root of 89986906 is about 448.1187404484.

The spelling of 89986906 in words is "eighty-nine million, nine hundred eighty-six thousand, nine hundred six".