89913481 has 6 divisors (see below), whose sum is σ = 104593290. Its totient is φ = 77068656.

The previous prime is 89913479. The next prime is 89913497. The reversal of 89913481 is 18431998.

It can be written as a sum of positive squares in only one way, i.e., 71978256 + 17935225 = 8484^2 + 4235^2 .

It is not a de Polignac number, because 89913481 - 2¹ = 89913479 is a prime.

It is a super-2 number, since 2×89913481² = 16168868131074722, 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 (89913431) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 917436 + ... + 917533.

It is an arithmetic number, because the mean of its divisors is an integer number (17432215).

Almost surely, 2^89913481 is an apocalyptic number.

It is an amenable number.

89913481 is a deficient number, since it is larger than the sum of its proper divisors (14679809).

89913481 is a wasteful number, since it uses less digits than its factorization.

89913481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1834983 (or 1834976 counting only the distinct ones).

The product of its digits is 62208, while the sum is 43.

The square root of 89913481 is about 9482.2719324010. The cubic root of 89913481 is about 447.9968261494.

The spelling of 89913481 in words is "eighty-nine million, nine hundred thirteen thousand, four hundred eighty-one".