89919461 has 4 divisors (see below), whose sum is σ = 91002912. Its totient is φ = 88836012.

The previous prime is 89919451. The next prime is 89919469. The reversal of 89919461 is 16491998.

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 a de Polignac number, because none of the positive numbers 2^k-89919461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89919469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 541601 + ... + 541766.

It is an arithmetic number, because the mean of its divisors is an integer number (22750728).

Almost surely, 2^89919461 is an apocalyptic number.

It is an amenable number.

89919461 is a deficient number, since it is larger than the sum of its proper divisors (1083451).

89919461 is a wasteful number, since it uses less digits than its factorization.

89919461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083450.

The product of its digits is 139968, while the sum is 47.

The square root of 89919461 is about 9482.5872524327. The cubic root of 89919461 is about 448.0067577770.

The spelling of 89919461 in words is "eighty-nine million, nine hundred nineteen thousand, four hundred sixty-one".