89205939 has 12 divisors (see below), whose sum is σ = 129268776. Its totient is φ = 59278752.

The previous prime is 89205923. The next prime is 89205967. The reversal of 89205939 is 93950298.

It is not a de Polignac number, because 89205939 - 2⁴ = 89205923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 89205894 and 89205903.

It is not an unprimeable number, because it can be changed into a prime (89205139) 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 11 ways as a sum of consecutive naturals, for example, 13017 + ... + 18650.

It is an arithmetic number, because the mean of its divisors is an integer number (10772398).

Almost surely, 2^89205939 is an apocalyptic number.

89205939 is a deficient number, since it is larger than the sum of its proper divisors (40062837).

89205939 is a wasteful number, since it uses less digits than its factorization.

89205939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31986 (or 31983 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The square root of 89205939 is about 9444.8895705561. The cubic root of 89205939 is about 446.8186132515.

The spelling of 89205939 in words is "eighty-nine million, two hundred five thousand, nine hundred thirty-nine".