89993913 has 8 divisors (see below), whose sum is σ = 120035808. Its totient is φ = 59973984.

The previous prime is 89993909. The next prime is 89993921. The reversal of 89993913 is 31939998.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 89993913 - 2² = 89993909 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89993993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12406 + ... + 18272.

It is an arithmetic number, because the mean of its divisors is an integer number (15004476).

Almost surely, 2^89993913 is an apocalyptic number.

It is an amenable number.

89993913 is a deficient number, since it is larger than the sum of its proper divisors (30041895).

89993913 is a wasteful number, since it uses less digits than its factorization.

89993913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10983.

The product of its digits is 472392, while the sum is 51.

The square root of 89993913 is about 9486.5121620119. The cubic root of 89993913 is about 448.1303713499.

The spelling of 89993913 in words is "eighty-nine million, nine hundred ninety-three thousand, nine hundred thirteen".