89831306 has 4 divisors (see below), whose sum is σ = 134746962. Its totient is φ = 44915652.

The previous prime is 89831293. The next prime is 89831309. The reversal of 89831306 is 60313898.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60313898 = 2 ⋅30156949.

It can be written as a sum of positive squares in only one way, i.e., 89397025 + 434281 = 9455^2 + 659^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 89831306.

It is not an unprimeable number, because it can be changed into a prime (89831309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22457825 + ... + 22457828.

Almost surely, 2^89831306 is an apocalyptic number.

89831306 is a deficient number, since it is larger than the sum of its proper divisors (44915656).

89831306 is a wasteful number, since it uses less digits than its factorization.

89831306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44915655.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 89831306 is about 9477.9378558841. The cubic root of 89831306 is about 447.8603046856.

The spelling of 89831306 in words is "eighty-nine million, eight hundred thirty-one thousand, three hundred six".