8290420 has 12 divisors (see below), whose sum is σ = 17409924. Its totient is φ = 3316160.

The previous prime is 8290411. The next prime is 8290421. The reversal of 8290420 is 240928.

It can be written as a sum of positive squares in 2 ways, for example, as 3370896 + 4919524 = 1836^2 + 2218^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8290421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207241 + ... + 207280.

It is an arithmetic number, because the mean of its divisors is an integer number (1450827).

Almost surely, 2^8290420 is an apocalyptic number.

It is an amenable number.

8290420 is an abundant number, since it is smaller than the sum of its proper divisors (9119504).

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

8290420 is a wasteful number, since it uses less digits than its factorization.

8290420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414530 (or 414528 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 8290420 is about 2879.3089448685. The cubic root of 8290420 is about 202.3914573511.

The spelling of 8290420 in words is "eight million, two hundred ninety thousand, four hundred twenty".