89163949 has 4 divisors (see below), whose sum is σ = 101901664. Its totient is φ = 76426236.

The previous prime is 89163947. The next prime is 89163953. The reversal of 89163949 is 94936198.

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 89163949 - 2¹ = 89163947 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 (89163947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6368847 + ... + 6368860.

It is an arithmetic number, because the mean of its divisors is an integer number (25475416).

Almost surely, 2^89163949 is an apocalyptic number.

It is an amenable number.

89163949 is a deficient number, since it is larger than the sum of its proper divisors (12737715).

89163949 is a wasteful number, since it uses less digits than its factorization.

89163949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12737714.

The product of its digits is 419904, while the sum is 49.

The square root of 89163949 is about 9442.6664136779. Note that the first 3 decimals coincide. The cubic root of 89163949 is about 446.7484951318.

The spelling of 89163949 in words is "eighty-nine million, one hundred sixty-three thousand, nine hundred forty-nine".