89421766 has 12 divisors (see below), whose sum is σ = 156032028. Its totient is φ = 38323572.

The previous prime is 89421737. The next prime is 89421767. The reversal of 89421766 is 66712498.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89421767) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 456136 + ... + 456331.

It is an arithmetic number, because the mean of its divisors is an integer number (13002669).

Almost surely, 2^89421766 is an apocalyptic number.

89421766 is a deficient number, since it is larger than the sum of its proper divisors (66610262).

89421766 is a wasteful number, since it uses less digits than its factorization.

89421766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912483 (or 912476 counting only the distinct ones).

The product of its digits is 145152, while the sum is 43.

The square root of 89421766 is about 9456.3082648569. The cubic root of 89421766 is about 447.1786709393.

The spelling of 89421766 in words is "eighty-nine million, four hundred twenty-one thousand, seven hundred sixty-six".