8464427 has 4 divisors (see below), whose sum is σ = 8516520. Its totient is φ = 8412336.

The previous prime is 8464403. The next prime is 8464439. The reversal of 8464427 is 7244648.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8464427 - 2⁶ = 8464363 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8464447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25802 + ... + 26127.

It is an arithmetic number, because the mean of its divisors is an integer number (2129130).

Almost surely, 2^8464427 is an apocalyptic number.

8464427 is a deficient number, since it is larger than the sum of its proper divisors (52093).

8464427 is a wasteful number, since it uses less digits than its factorization.

8464427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52092.

The product of its digits is 43008, while the sum is 35.

The square root of 8464427 is about 2909.3688318946. The cubic root of 8464427 is about 203.7976575636.

The spelling of 8464427 in words is "eight million, four hundred sixty-four thousand, four hundred twenty-seven".