89730481 has 4 divisors (see below), whose sum is σ = 89856000. Its totient is φ = 89604964.

The previous prime is 89730469. The next prime is 89730499. The reversal of 89730481 is 18403798.

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 89730481 - 2⁵ = 89730449 is a prime.

It is a super-2 number, since 2×89730481² = 16103118440982722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89730401) 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, 61681 + ... + 63118.

It is an arithmetic number, because the mean of its divisors is an integer number (22464000).

Almost surely, 2^89730481 is an apocalyptic number.

It is an amenable number.

89730481 is a deficient number, since it is larger than the sum of its proper divisors (125519).

89730481 is a wasteful number, since it uses less digits than its factorization.

89730481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125518.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 89730481 is about 9472.6174313122. The cubic root of 89730481 is about 447.6926852454.

The spelling of 89730481 in words is "eighty-nine million, seven hundred thirty thousand, four hundred eighty-one".