89712993 has 8 divisors (see below), whose sum is σ = 119684448. Its totient is φ = 59775104.

The previous prime is 89712991. The next prime is 89713009. The reversal of 89712993 is 39921798.

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 89712993 - 2¹ = 89712991 is a prime.

It is a super-2 number, since 2×89712993² = 16096842226036098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (89712991) 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, 1296 + ... + 13457.

It is an arithmetic number, because the mean of its divisors is an integer number (14960556).

Almost surely, 2^89712993 is an apocalyptic number.

It is an amenable number.

89712993 is a deficient number, since it is larger than the sum of its proper divisors (29971455).

89712993 is a wasteful number, since it uses less digits than its factorization.

89712993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16783.

The product of its digits is 244944, while the sum is 48.

The square root of 89712993 is about 9471.6943046110. The cubic root of 89712993 is about 447.6635990372.

The spelling of 89712993 in words is "eighty-nine million, seven hundred twelve thousand, nine hundred ninety-three".