89912049 has 4 divisors (see below), whose sum is σ = 119882736. Its totient is φ = 59941364.

The previous prime is 89912027. The next prime is 89912051. The reversal of 89912049 is 94021998.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 89912049 - 2⁹ = 89911537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 89912049.

It is not an unprimeable number, because it can be changed into a prime (89912089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14985339 + ... + 14985344.

It is an arithmetic number, because the mean of its divisors is an integer number (29970684).

Almost surely, 2^89912049 is an apocalyptic number.

It is an amenable number.

89912049 is a deficient number, since it is larger than the sum of its proper divisors (29970687).

89912049 is a wasteful number, since it uses less digits than its factorization.

89912049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29970686.

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 89912049 is about 9482.1964227704. The cubic root of 89912049 is about 447.9944478080.

The spelling of 89912049 in words is "eighty-nine million, nine hundred twelve thousand, forty-nine".