89884397 has 4 divisors (see below), whose sum is σ = 90079836. Its totient is φ = 89688960.

The previous prime is 89884363. The next prime is 89884441. The reversal of 89884397 is 79348898.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79348898 = 2 ⋅39674449.

It can be written as a sum of positive squares in 2 ways, for example, as 52258441 + 37625956 = 7229^2 + 6134^2 .

It is a cyclic number.

It is not a de Polignac number, because 89884397 - 2⁸ = 89884141 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 (89884297) 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, 97028 + ... + 97949.

It is an arithmetic number, because the mean of its divisors is an integer number (22519959).

Almost surely, 2^89884397 is an apocalyptic number.

It is an amenable number.

89884397 is a deficient number, since it is larger than the sum of its proper divisors (195439).

89884397 is a wasteful number, since it uses less digits than its factorization.

89884397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195438.

The product of its digits is 3483648, while the sum is 56.

The square root of 89884397 is about 9480.7382096544. The cubic root of 89884397 is about 447.9485169501.

The spelling of 89884397 in words is "eighty-nine million, eight hundred eighty-four thousand, three hundred ninety-seven".