89699994 has 16 divisors (see below), whose sum is σ = 199333440. Its totient is φ = 29899980.

The previous prime is 89699989. The next prime is 89699999. The reversal of 89699994 is 49999698.

It is an interprime number because it is at equal distance from previous prime (89699989) and next prime (89699999).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (89699999) 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, 830502 + ... + 830609.

It is an arithmetic number, because the mean of its divisors is an integer number (12458340).

Almost surely, 2^89699994 is an apocalyptic number.

89699994 is an abundant number, since it is smaller than the sum of its proper divisors (109633446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89699994 is a wasteful number, since it uses less digits than its factorization.

89699994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661122 (or 1661116 counting only the distinct ones).

The product of its digits is 11337408, while the sum is 63.

The square root of 89699994 is about 9471.0080772851. The cubic root of 89699994 is about 447.6419765274.

The spelling of 89699994 in words is "eighty-nine million, six hundred ninety-nine thousand, nine hundred ninety-four".