89855381 has 8 divisors (see below), whose sum is σ = 112027584. Its totient is φ = 70017120.

The previous prime is 89855371. The next prime is 89855393. The reversal of 89855381 is 18355898.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 89855381 - 2⁶ = 89855317 is a prime.

It is a super-2 number, since 2×89855381² = 16147978989310322, 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 (89855371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 583400 + ... + 583553.

It is an arithmetic number, because the mean of its divisors is an integer number (14003448).

Almost surely, 2^89855381 is an apocalyptic number.

It is an amenable number.

89855381 is a deficient number, since it is larger than the sum of its proper divisors (22172203).

89855381 is a wasteful number, since it uses less digits than its factorization.

89855381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166971.

The product of its digits is 345600, while the sum is 47.

The square root of 89855381 is about 9479.2078255517. The cubic root of 89855381 is about 447.9003103148.

The spelling of 89855381 in words is "eighty-nine million, eight hundred fifty-five thousand, three hundred eighty-one".