8290427 has 2 divisors, whose sum is σ = 8290428. Its totient is φ = 8290426.

The previous prime is 8290421. The next prime is 8290453. The reversal of 8290427 is 7240928.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8290427 - 2⁴ = 8290411 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 8290393 and 8290402.

It is not a weakly prime, because it can be changed into another prime (8290421) 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 as a sum of consecutive naturals, namely, 4145213 + 4145214.

It is an arithmetic number, because the mean of its divisors is an integer number (4145214).

Almost surely, 2^8290427 is an apocalyptic number.

8290427 is a deficient number, since it is larger than the sum of its proper divisors (1).

8290427 is an equidigital number, since it uses as much as digits as its factorization.

8290427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 8290427 is about 2879.3101604377. The cubic root of 8290427 is about 202.3915143141.

It can be divided in two parts, 82 and 90427, that added together give a palindrome (90509).

The spelling of 8290427 in words is "eight million, two hundred ninety thousand, four hundred twenty-seven".