89623906 has 4 divisors (see below), whose sum is σ = 134435862. Its totient is φ = 44811952.

The previous prime is 89623903. The next prime is 89623907. The reversal of 89623906 is 60932698.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60932698 = 2 ⋅30466349.

It can be written as a sum of positive squares in only one way, i.e., 51912025 + 37711881 = 7205^2 + 6141^2 .

It is not an unprimeable number, because it can be changed into a prime (89623903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22405975 + ... + 22405978.

Almost surely, 2^89623906 is an apocalyptic number.

89623906 is a deficient number, since it is larger than the sum of its proper divisors (44811956).

89623906 is a wasteful number, since it uses less digits than its factorization.

89623906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44811955.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 89623906 is about 9466.9903348424. The cubic root of 89623906 is about 447.5153699870.

The spelling of 89623906 in words is "eighty-nine million, six hundred twenty-three thousand, nine hundred six".