89394121 has 4 divisors (see below), whose sum is σ = 90618772. Its totient is φ = 88169472.

The previous prime is 89394091. The next prime is 89394127. The reversal of 89394121 is 12149398.

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

It can be written as a sum of positive squares in 2 ways, for example, as 43086096 + 46308025 = 6564^2 + 6805^2 .

It is a cyclic number.

It is not a de Polignac number, because 89394121 - 2⁵ = 89394089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89394127) 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, 612216 + ... + 612361.

It is an arithmetic number, because the mean of its divisors is an integer number (22654693).

Almost surely, 2^89394121 is an apocalyptic number.

It is an amenable number.

89394121 is a deficient number, since it is larger than the sum of its proper divisors (1224651).

89394121 is a wasteful number, since it uses less digits than its factorization.

89394121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224650.

The product of its digits is 15552, while the sum is 37.

The square root of 89394121 is about 9454.8464292129. The cubic root of 89394121 is about 447.1325839925.

The spelling of 89394121 in words is "eighty-nine million, three hundred ninety-four thousand, one hundred twenty-one".