426390167 has 8 divisors (see below), whose sum is σ = 487428000. Its totient is φ = 365383584.

The previous prime is 426390163. The next prime is 426390187. The reversal of 426390167 is 761093624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 426390167 - 2² = 426390163 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 426390167.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426390163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48809 + ... + 56877.

It is an arithmetic number, because the mean of its divisors is an integer number (60928500).

Almost surely, 2^426390167 is an apocalyptic number.

426390167 is a deficient number, since it is larger than the sum of its proper divisors (61037833).

426390167 is an equidigital number, since it uses as much as digits as its factorization.

426390167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15625.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 426390167 is about 20649.2171038032. The cubic root of 426390167 is about 752.6661653705. Note that the first 3 decimals are identical.

The spelling of 426390167 in words is "four hundred twenty-six million, three hundred ninety thousand, one hundred sixty-seven".