408425167 has 4 divisors (see below), whose sum is σ = 408798576. Its totient is φ = 408051760.

The previous prime is 408425161. The next prime is 408425201. The reversal of 408425167 is 761524804.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-408425167 is a prime.

It is a super-2 number, since 2×408425167² = 333622234077955778, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408425161) 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 in 3 ways as a sum of consecutive naturals, for example, 185059 + ... + 187252.

It is an arithmetic number, because the mean of its divisors is an integer number (102199644).

Almost surely, 2^408425167 is an apocalyptic number.

408425167 is a deficient number, since it is larger than the sum of its proper divisors (373409).

408425167 is a wasteful number, since it uses less digits than its factorization.

408425167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373408.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 408425167 is about 20209.5315878424. The cubic root of 408425167 is about 741.9434954538.

The spelling of 408425167 in words is "four hundred eight million, four hundred twenty-five thousand, one hundred sixty-seven".