8290491 has 16 divisors (see below), whose sum is σ = 12476160. Its totient is φ = 4850720.

The previous prime is 8290489. The next prime is 8290507. The reversal of 8290491 is 1940928.

8290491 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 8290491 - 2¹ = 8290489 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

8290491 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8290411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3375 + ... + 5288.

It is an arithmetic number, because the mean of its divisors is an integer number (779760).

Almost surely, 2^8290491 is an apocalyptic number.

8290491 is a deficient number, since it is larger than the sum of its proper divisors (4185669).

8290491 is a wasteful number, since it uses less digits than its factorization.

8290491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8706.

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

The square root of 8290491 is about 2879.3212741895. The cubic root of 8290491 is about 202.3920351165.

The spelling of 8290491 in words is "eight million, two hundred ninety thousand, four hundred ninety-one".