8345427 has 16 divisors (see below), whose sum is σ = 12001920. Its totient is φ = 5140800.

The previous prime is 8345423. The next prime is 8345429. The reversal of 8345427 is 7245438.

It is not a de Polignac number, because 8345427 - 2² = 8345423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8345423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 552 + ... + 4122.

It is an arithmetic number, because the mean of its divisors is an integer number (750120).

Almost surely, 2^8345427 is an apocalyptic number.

8345427 is a deficient number, since it is larger than the sum of its proper divisors (3656493).

8345427 is a wasteful number, since it uses less digits than its factorization.

8345427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3634.

The product of its digits is 26880, while the sum is 33.

The square root of 8345427 is about 2888.8452710382. The cubic root of 8345427 is about 202.8380939453.

The spelling of 8345427 in words is "eight million, three hundred forty-five thousand, four hundred twenty-seven".