89970994 has 8 divisors (see below), whose sum is σ = 135016560. Its totient is φ = 44965476.

The previous prime is 89970989. The next prime is 89970997. The reversal of 89970994 is 49907998.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×89970994² = 16189559522696072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (89970997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3564 + ... + 13879.

It is an arithmetic number, because the mean of its divisors is an integer number (16877070).

Almost surely, 2^89970994 is an apocalyptic number.

89970994 is a deficient number, since it is larger than the sum of its proper divisors (45045566).

89970994 is a wasteful number, since it uses less digits than its factorization.

89970994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20024.

The product of its (nonzero) digits is 1469664, while the sum is 55.

The square root of 89970994 is about 9485.3041068803. The cubic root of 89970994 is about 448.0923259175.

The spelling of 89970994 in words is "eighty-nine million, nine hundred seventy thousand, nine hundred ninety-four".