89254981 has 8 divisors (see below), whose sum is σ = 94748184. Its totient is φ = 83788800.

The previous prime is 89254969. The next prime is 89255009. The reversal of 89254981 is 18945298.

It can be written as a sum of positive squares in 4 ways, for example, as 72165025 + 17089956 = 8495^2 + 4134^2 .

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 89254981 - 2⁷ = 89254853 is a prime.

It is a super-2 number, since 2×89254981² = 15932903266620722, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89254931) 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, 271 + ... + 13363.

It is an arithmetic number, because the mean of its divisors is an integer number (11843523).

Almost surely, 2^89254981 is an apocalyptic number.

It is an amenable number.

89254981 is a deficient number, since it is larger than the sum of its proper divisors (5493203).

89254981 is a wasteful number, since it uses less digits than its factorization.

89254981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13511.

The product of its digits is 207360, while the sum is 46.

The square root of 89254981 is about 9447.4854326429. The cubic root of 89254981 is about 446.9004794900.

The spelling of 89254981 in words is "eighty-nine million, two hundred fifty-four thousand, nine hundred eighty-one".