8290408 has 24 divisors (see below), whose sum is σ = 18083250. Its totient is φ = 3552864.

The previous prime is 8290397. The next prime is 8290409. The reversal of 8290408 is 8040928.

It can be written as a sum of positive squares in only one way, i.e., 8076964 + 213444 = 2842^2 + 462^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8290408.

It is not an unprimeable number, because it can be changed into a prime (8290409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10183 + ... + 10966.

Almost surely, 2^8290408 is an apocalyptic number.

It is an amenable number.

8290408 is an abundant number, since it is smaller than the sum of its proper divisors (9792842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8290408 is a wasteful number, since it uses less digits than its factorization.

8290408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21169 (or 21158 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 8290408 is about 2879.3068610344. The cubic root of 8290408 is about 202.3913597003.

The spelling of 8290408 in words is "eight million, two hundred ninety thousand, four hundred eight".