89394079 has 4 divisors (see below), whose sum is σ = 89431776. Its totient is φ = 89356384.

The previous prime is 89394029. The next prime is 89394083. The reversal of 89394079 is 97049398.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97049398 = 2 ⋅48524699.

It is a cyclic number.

It is not a de Polignac number, because 89394079 - 2⁹ = 89393567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89394029) 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, 15034 + ... + 20119.

It is an arithmetic number, because the mean of its divisors is an integer number (22357944).

Almost surely, 2^89394079 is an apocalyptic number.

89394079 is a deficient number, since it is larger than the sum of its proper divisors (37697).

89394079 is a wasteful number, since it uses less digits than its factorization.

89394079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37696.

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 89394079 is about 9454.8442081295. The cubic root of 89394079 is about 447.1325139671.

The spelling of 89394079 in words is "eighty-nine million, three hundred ninety-four thousand, seventy-nine".