89371381 has 4 divisors (see below), whose sum is σ = 97496064. Its totient is φ = 81246700.

The previous prime is 89371379. The next prime is 89371427. The reversal of 89371381 is 18317398.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 89371381 - 2¹ = 89371379 is a prime.

It is a super-2 number, since 2×89371381² = 15974487483694322, 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 (89371351) 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, 4062325 + ... + 4062346.

It is an arithmetic number, because the mean of its divisors is an integer number (24374016).

Almost surely, 2^89371381 is an apocalyptic number.

It is an amenable number.

89371381 is a deficient number, since it is larger than the sum of its proper divisors (8124683).

89371381 is a wasteful number, since it uses less digits than its factorization.

89371381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8124682.

The product of its digits is 36288, while the sum is 40.

The square root of 89371381 is about 9453.6437948550. The cubic root of 89371381 is about 447.0946670425.

The spelling of 89371381 in words is "eighty-nine million, three hundred seventy-one thousand, three hundred eighty-one".