89013919 has 4 divisors (see below), whose sum is σ = 89714944. Its totient is φ = 88312896.

The previous prime is 89013901. The next prime is 89013943. The reversal of 89013919 is 91931098.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89013919 is a prime.

It is a super-2 number, since 2×89013919² = 15846955551477122, 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 (89013959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350322 + ... + 350575.

It is an arithmetic number, because the mean of its divisors is an integer number (22428736).

Almost surely, 2^89013919 is an apocalyptic number.

89013919 is a deficient number, since it is larger than the sum of its proper divisors (701025).

89013919 is a wasteful number, since it uses less digits than its factorization.

89013919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701024.

The product of its (nonzero) digits is 17496, while the sum is 40.

The square root of 89013919 is about 9434.7188087404. The cubic root of 89013919 is about 446.4977835463.

The spelling of 89013919 in words is "eighty-nine million, thirteen thousand, nine hundred nineteen".