89386281 has 16 divisors (see below), whose sum is σ = 133125120. Its totient is φ = 59275440.

The previous prime is 89386267. The next prime is 89386291. The reversal of 89386281 is 18268398.

It is not a de Polignac number, because 89386281 - 2²¹ = 87289129 is a prime.

It is a super-2 number, since 2×89386281² = 15979814462021922, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (89386261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3510 + ... + 13823.

It is an arithmetic number, because the mean of its divisors is an integer number (8320320).

Almost surely, 2^89386281 is an apocalyptic number.

It is an amenable number.

89386281 is a deficient number, since it is larger than the sum of its proper divisors (43738839).

89386281 is a wasteful number, since it uses less digits than its factorization.

89386281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17533 (or 17527 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 89386281 is about 9454.4318179360. The cubic root of 89386281 is about 447.1195122084.

The spelling of 89386281 in words is "eighty-nine million, three hundred eighty-six thousand, two hundred eighty-one".