8490843 has 12 divisors (see below), whose sum is σ = 12448488. Its totient is φ = 5575680.

The previous prime is 8490829. The next prime is 8490877. The reversal of 8490843 is 3480948.

8490843 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8490843 - 2⁴ = 8490827 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8490798 and 8490807.

It is not an unprimeable number, because it can be changed into a prime (8490893) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6438 + ... + 7643.

It is an arithmetic number, because the mean of its divisors is an integer number (1037374).

Almost surely, 2^8490843 is an apocalyptic number.

8490843 is a deficient number, since it is larger than the sum of its proper divisors (3957645).

8490843 is a wasteful number, since it uses less digits than its factorization.

8490843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14154 (or 14151 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 8490843 is about 2913.9051117015. The cubic root of 8490843 is about 204.0094430462.

The spelling of 8490843 in words is "eight million, four hundred ninety thousand, eight hundred forty-three".