8921493 has 48 divisors (see below), whose sum is σ = 15814656. Its totient is φ = 4736160.

The previous prime is 8921467. The next prime is 8921569. The reversal of 8921493 is 3941298.

It is not a de Polignac number, because 8921493 - 2⁵ = 8921461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8921453) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 68038 + ... + 68168.

It is an arithmetic number, because the mean of its divisors is an integer number (329472).

Almost surely, 2^8921493 is an apocalyptic number.

It is an amenable number.

8921493 is a deficient number, since it is larger than the sum of its proper divisors (6893163).

8921493 is a wasteful number, since it uses less digits than its factorization.

8921493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214 (or 211 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 8921493 is about 2986.8868408428. The cubic root of 8921493 is about 207.4017960811.

The spelling of 8921493 in words is "eight million, nine hundred twenty-one thousand, four hundred ninety-three".