89219481 has 8 divisors (see below), whose sum is σ = 128110080. Its totient is φ = 54904272.

The previous prime is 89219479. The next prime is 89219483. The reversal of 89219481 is 18491298.

It is an interprime number because it is at equal distance from previous prime (89219479) and next prime (89219483).

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

It is not a de Polignac number, because 89219481 - 2¹ = 89219479 is a prime.

It is a super-2 number, since 2×89219481² = 15920231579818722, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (89219483) 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, 1143801 + ... + 1143878.

It is an arithmetic number, because the mean of its divisors is an integer number (16013760).

Almost surely, 2^89219481 is an apocalyptic number.

It is an amenable number.

89219481 is a deficient number, since it is larger than the sum of its proper divisors (38890599).

89219481 is a wasteful number, since it uses less digits than its factorization.

89219481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2287695.

The product of its digits is 41472, while the sum is 42.

The square root of 89219481 is about 9445.6064389747. The cubic root of 89219481 is about 446.8412220284.

The spelling of 89219481 in words is "eighty-nine million, two hundred nineteen thousand, four hundred eighty-one".