8490291 has 4 divisors (see below), whose sum is σ = 11320392. Its totient is φ = 5660192.

The previous prime is 8490281. The next prime is 8490323. The reversal of 8490291 is 1920948.

8490291 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8490291 - 2¹⁰ = 8489267 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (8490271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1415046 + ... + 1415051.

It is an arithmetic number, because the mean of its divisors is an integer number (2830098).

Almost surely, 2^8490291 is an apocalyptic number.

8490291 is a deficient number, since it is larger than the sum of its proper divisors (2830101).

8490291 is a wasteful number, since it uses less digits than its factorization.

8490291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2830100.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 8490291 is about 2913.8103919095. The cubic root of 8490291 is about 204.0050219833.

The spelling of 8490291 in words is "eight million, four hundred ninety thousand, two hundred ninety-one".