89347493 has 4 divisors (see below), whose sum is σ = 90812268. Its totient is φ = 87882720.

The previous prime is 89347469. The next prime is 89347513. The reversal of 89347493 is 39474398.

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 29408929 + 59938564 = 5423^2 + 7742^2 .

It is a cyclic number.

It is not a de Polignac number, because 89347493 - 2¹⁰ = 89346469 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 (89367493) 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, 732296 + ... + 732417.

It is an arithmetic number, because the mean of its divisors is an integer number (22703067).

Almost surely, 2^89347493 is an apocalyptic number.

It is an amenable number.

89347493 is a deficient number, since it is larger than the sum of its proper divisors (1464775).

89347493 is a wasteful number, since it uses less digits than its factorization.

89347493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1464774.

The product of its digits is 653184, while the sum is 47.

The square root of 89347493 is about 9452.3802822358. The cubic root of 89347493 is about 447.0548289758.

The spelling of 89347493 in words is "eighty-nine million, three hundred forty-seven thousand, four hundred ninety-three".