89938519 has 4 divisors (see below), whose sum is σ = 98114760. Its totient is φ = 81762280.

The previous prime is 89938493. The next prime is 89938547. The reversal of 89938519 is 91583998.

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 89938519 - 2¹¹ = 89936471 is a prime.

It is a super-2 number, since 2×89938519² = 16177874399826722, 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 (89938819) 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, 4088104 + ... + 4088125.

It is an arithmetic number, because the mean of its divisors is an integer number (24528690).

Almost surely, 2^89938519 is an apocalyptic number.

89938519 is a deficient number, since it is larger than the sum of its proper divisors (8176241).

89938519 is a wasteful number, since it uses less digits than its factorization.

89938519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8176240.

The product of its digits is 699840, while the sum is 52.

The square root of 89938519 is about 9483.5920937164. The cubic root of 89938519 is about 448.0384065049.

The spelling of 89938519 in words is "eighty-nine million, nine hundred thirty-eight thousand, five hundred nineteen".