89420181 has 8 divisors (see below), whose sum is σ = 119845440. Its totient is φ = 59304192.

The previous prime is 89420167. The next prime is 89420189. The reversal of 89420181 is 18102498.

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

It is not a de Polignac number, because 89420181 - 2⁶ = 89420117 is a prime.

It is a super-2 number, since 2×89420181² = 15991937540145522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89420189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76641 + ... + 77798.

It is an arithmetic number, because the mean of its divisors is an integer number (14980680).

Almost surely, 2^89420181 is an apocalyptic number.

It is an amenable number.

89420181 is a deficient number, since it is larger than the sum of its proper divisors (30425259).

89420181 is a wasteful number, since it uses less digits than its factorization.

89420181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154635.

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 89420181 is about 9456.2244579959. The cubic root of 89420181 is about 447.1760288444.

The spelling of 89420181 in words is "eighty-nine million, four hundred twenty thousand, one hundred eighty-one".