89493994 has 4 divisors (see below), whose sum is σ = 134240994. Its totient is φ = 44746996.

The previous prime is 89493959. The next prime is 89493997. The reversal of 89493994 is 49939498.

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

It can be written as a sum of positive squares in only one way, i.e., 57988225 + 31505769 = 7615^2 + 5613^2 .

It is not an unprimeable number, because it can be changed into a prime (89493997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22373497 + ... + 22373500.

Almost surely, 2^89493994 is an apocalyptic number.

89493994 is a deficient number, since it is larger than the sum of its proper divisors (44747000).

89493994 is a wasteful number, since it uses less digits than its factorization.

89493994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44746999.

The product of its digits is 2519424, while the sum is 55.

The square root of 89493994 is about 9460.1265319233. The cubic root of 89493994 is about 447.2990373416.

The spelling of 89493994 in words is "eighty-nine million, four hundred ninety-three thousand, nine hundred ninety-four".