8416427 has 4 divisors (see below), whose sum is σ = 8643936. Its totient is φ = 8188920.

The previous prime is 8416403. The next prime is 8416451. The reversal of 8416427 is 7246148.

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

It is an interprime number because it is at equal distance from previous prime (8416403) and next prime (8416451).

It is a cyclic number.

It is not a de Polignac number, because 8416427 - 2⁶ = 8416363 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8416393 and 8416402.

It is not an unprimeable number, because it can be changed into a prime (8416327) 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, 113699 + ... + 113772.

It is an arithmetic number, because the mean of its divisors is an integer number (2160984).

Almost surely, 2^8416427 is an apocalyptic number.

8416427 is a deficient number, since it is larger than the sum of its proper divisors (227509).

8416427 is a wasteful number, since it uses less digits than its factorization.

8416427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227508.

The product of its digits is 10752, while the sum is 32.

The square root of 8416427 is about 2901.1078918234. The cubic root of 8416427 is about 203.4116957360.

The spelling of 8416427 in words is "eight million, four hundred sixteen thousand, four hundred twenty-seven".