8290989 has 24 divisors (see below), whose sum is σ = 13832832. Its totient is φ = 4687200.

The previous prime is 8290987. The next prime is 8290991. The reversal of 8290989 is 9890928.

It is an interprime number because it is at equal distance from previous prime (8290987) and next prime (8290991).

It is not a de Polignac number, because 8290989 - 2¹ = 8290987 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8290987) 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 23 ways as a sum of consecutive naturals, for example, 5712 + ... + 7014.

It is an arithmetic number, because the mean of its divisors is an integer number (576368).

Almost surely, 2^8290989 is an apocalyptic number.

It is an amenable number.

8290989 is a deficient number, since it is larger than the sum of its proper divisors (5541843).

8290989 is a wasteful number, since it uses less digits than its factorization.

8290989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417 (or 1414 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The square root of 8290989 is about 2879.4077516045. The cubic root of 8290989 is about 202.3960875188.

The spelling of 8290989 in words is "eight million, two hundred ninety thousand, nine hundred eighty-nine".