89438359 has 4 divisors (see below), whose sum is σ = 90663616. Its totient is φ = 88213104.

The previous prime is 89438351. The next prime is 89438369. The reversal of 89438359 is 95383498.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 89438359 - 2³ = 89438351 is a prime.

It is a super-2 number, since 2×89438359² = 15998440121225762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89438351) 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, 612519 + ... + 612664.

It is an arithmetic number, because the mean of its divisors is an integer number (22665904).

Almost surely, 2^89438359 is an apocalyptic number.

89438359 is a deficient number, since it is larger than the sum of its proper divisors (1225257).

89438359 is a wasteful number, since it uses less digits than its factorization.

89438359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225256.

The product of its digits is 933120, while the sum is 49.

The square root of 89438359 is about 9457.1855750006. The cubic root of 89438359 is about 447.2063285486.

The spelling of 89438359 in words is "eighty-nine million, four hundred thirty-eight thousand, three hundred fifty-nine".