8921473 has 8 divisors (see below), whose sum is σ = 10068480. Its totient is φ = 7830480.

The previous prime is 8921467. The next prime is 8921569. The reversal of 8921473 is 3741298.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8921473 - 2⁵ = 8921441 is a prime.

It is an Ulam number.

It is a Duffinian number.

8921473 is a lucky 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 7 ways as a sum of consecutive naturals, for example, 13665 + ... + 14302.

It is an arithmetic number, because the mean of its divisors is an integer number (1258560).

Almost surely, 2^8921473 is an apocalyptic number.

It is an amenable number.

8921473 is a deficient number, since it is larger than the sum of its proper divisors (1147007).

8921473 is a wasteful number, since it uses less digits than its factorization.

8921473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28007.

The product of its digits is 12096, while the sum is 34.

The square root of 8921473 is about 2986.8834928735. The cubic root of 8921473 is about 207.4016410981.

The spelling of 8921473 in words is "eight million, nine hundred twenty-one thousand, four hundred seventy-three".