89178349 has 4 divisors (see below), whose sum is σ = 96038236. Its totient is φ = 82318464.

The previous prime is 89178347. The next prime is 89178361. The reversal of 89178349 is 94387198.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94387198 = 2 ⋅47193599.

It can be written as a sum of positive squares in 2 ways, for example, as 13801225 + 75377124 = 3715^2 + 8682^2 .

It is a cyclic number.

It is not a de Polignac number, because 89178349 - 2¹ = 89178347 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 (89178347) 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, 3429924 + ... + 3429949.

It is an arithmetic number, because the mean of its divisors is an integer number (24009559).

Almost surely, 2^89178349 is an apocalyptic number.

It is an amenable number.

89178349 is a deficient number, since it is larger than the sum of its proper divisors (6859887).

89178349 is a wasteful number, since it uses less digits than its factorization.

89178349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6859886.

The product of its digits is 435456, while the sum is 49.

The square root of 89178349 is about 9443.4288793849. The cubic root of 89178349 is about 446.7725438350.

The spelling of 89178349 in words is "eighty-nine million, one hundred seventy-eight thousand, three hundred forty-nine".