8494921 has 8 divisors (see below), whose sum is σ = 8820864. Its totient is φ = 8175120.

The previous prime is 8494909. The next prime is 8494939. The reversal of 8494921 is 1294948.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8494921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8494901) 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 7 ways as a sum of consecutive naturals, for example, 1386 + ... + 4348.

It is an arithmetic number, because the mean of its divisors is an integer number (1102608).

Almost surely, 2^8494921 is an apocalyptic number.

It is an amenable number.

8494921 is a deficient number, since it is larger than the sum of its proper divisors (325943).

8494921 is a wasteful number, since it uses less digits than its factorization.

8494921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3071.

The product of its digits is 20736, while the sum is 37.

The square root of 8494921 is about 2914.6047759516. The cubic root of 8494921 is about 204.0420985141.

The spelling of 8494921 in words is "eight million, four hundred ninety-four thousand, nine hundred twenty-one".