89238239 has 4 divisors (see below), whose sum is σ = 89269824. Its totient is φ = 89206656.

The previous prime is 89238223. The next prime is 89238241. The reversal of 89238239 is 93283298.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93283298 = 2 ⋅46641649.

It is a cyclic number.

It is not a de Polignac number, because 89238239 - 2⁴ = 89238223 is a prime.

It is a super-2 number, since 2×89238239² = 15926926599642242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 89238239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89238299) 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, 11087 + ... + 17360.

It is an arithmetic number, because the mean of its divisors is an integer number (22317456).

Almost surely, 2^89238239 is an apocalyptic number.

89238239 is a deficient number, since it is larger than the sum of its proper divisors (31585).

89238239 is a wasteful number, since it uses less digits than its factorization.

89238239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31584.

The product of its digits is 186624, while the sum is 44.

The square root of 89238239 is about 9446.5993352105. The cubic root of 89238239 is about 446.8725352954.

It can be divided in two parts, 89 and 238239, that added together give a cube (238328 = 62³).

The spelling of 89238239 in words is "eighty-nine million, two hundred thirty-eight thousand, two hundred thirty-nine".