8204427 has 24 divisors (see below), whose sum is σ = 14776320. Its totient is φ = 4261680.

The previous prime is 8204423. The next prime is 8204431. The reversal of 8204427 is 7244028.

It is an interprime number because it is at equal distance from previous prime (8204423) and next prime (8204431).

It is not a de Polignac number, because 8204427 - 2² = 8204423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8204427.

It is not an unprimeable number, because it can be changed into a prime (8204423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5227 + ... + 6612.

It is an arithmetic number, because the mean of its divisors is an integer number (615680).

Almost surely, 2^8204427 is an apocalyptic number.

8204427 is a deficient number, since it is larger than the sum of its proper divisors (6571893).

8204427 is a wasteful number, since it uses less digits than its factorization.

8204427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11863 (or 11860 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 8204427 is about 2864.3370960835. The cubic root of 8204427 is about 201.6892503300.

The spelling of 8204427 in words is "eight million, two hundred four thousand, four hundred twenty-seven".