89435197 has 4 divisors (see below), whose sum is σ = 90320796. Its totient is φ = 88549600.

The previous prime is 89435183. The next prime is 89435231. The reversal of 89435197 is 79153498.

It is a happy number.

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 88472836 + 962361 = 9406^2 + 981^2 .

It is a cyclic number.

It is not a de Polignac number, because 89435197 - 2⁷ = 89435069 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 (89435167) 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, 442648 + ... + 442849.

It is an arithmetic number, because the mean of its divisors is an integer number (22580199).

Almost surely, 2^89435197 is an apocalyptic number.

It is an amenable number.

89435197 is a deficient number, since it is larger than the sum of its proper divisors (885599).

89435197 is a wasteful number, since it uses less digits than its factorization.

89435197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885598.

The product of its digits is 272160, while the sum is 46.

The square root of 89435197 is about 9457.0183990516. The cubic root of 89435197 is about 447.2010583152.

The spelling of 89435197 in words is "eighty-nine million, four hundred thirty-five thousand, one hundred ninety-seven".