89145397 has 16 divisors (see below), whose sum is σ = 102873600. Its totient is φ = 76397040.

The previous prime is 89145389. The next prime is 89145409. The reversal of 89145397 is 79354198.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 89145397 - 2³ = 89145389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89145317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46504 + ... + 48382.

It is an arithmetic number, because the mean of its divisors is an integer number (6429600).

Almost surely, 2^89145397 is an apocalyptic number.

It is an amenable number.

89145397 is a deficient number, since it is larger than the sum of its proper divisors (13728203).

89145397 is a wasteful number, since it uses less digits than its factorization.

89145397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2136.

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

The square root of 89145397 is about 9441.6840129290. The cubic root of 89145397 is about 446.7175085688.

The spelling of 89145397 in words is "eighty-nine million, one hundred forty-five thousand, three hundred ninety-seven".