89466921 has 12 divisors (see below), whose sum is σ = 130055172. Its totient is φ = 59263776.

The previous prime is 89466919. The next prime is 89466929. The reversal of 89466921 is 12966498.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 14402025 + 75064896 = 3795^2 + 8664^2 .

It is not a de Polignac number, because 89466921 - 2¹ = 89466919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89466929) 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 11 ways as a sum of consecutive naturals, for example, 30246 + ... + 33071.

It is an arithmetic number, because the mean of its divisors is an integer number (10837931).

Almost surely, 2^89466921 is an apocalyptic number.

It is an amenable number.

89466921 is a deficient number, since it is larger than the sum of its proper divisors (40588251).

89466921 is a wasteful number, since it uses less digits than its factorization.

89466921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63480 (or 63477 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 89466921 is about 9458.6955231681. The cubic root of 89466921 is about 447.2539283624.

The spelling of 89466921 in words is "eighty-nine million, four hundred sixty-six thousand, nine hundred twenty-one".