8474921 has 8 divisors (see below), whose sum is σ = 10430784. Its totient is φ = 6705360.

The previous prime is 8474911. The next prime is 8474923. The reversal of 8474921 is 1294748.

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 8474921 - 2¹⁰ = 8473897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8474923) 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, 46475 + ... + 46656.

It is an arithmetic number, because the mean of its divisors is an integer number (1303848).

Almost surely, 2^8474921 is an apocalyptic number.

It is an amenable number.

8474921 is a deficient number, since it is larger than the sum of its proper divisors (1955863).

8474921 is a wasteful number, since it uses less digits than its factorization.

8474921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93151.

The product of its digits is 16128, while the sum is 35.

The square root of 8474921 is about 2911.1717572139. The cubic root of 8474921 is about 203.8818439832.

The spelling of 8474921 in words is "eight million, four hundred seventy-four thousand, nine hundred twenty-one".