426165839 has 8 divisors (see below), whose sum is σ = 489377280. Its totient is φ = 367032600.

The previous prime is 426165823. The next prime is 426165841. The reversal of 426165839 is 938561624.

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

It is not a de Polignac number, because 426165839 - 2⁴ = 426165823 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 426165839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426165539) 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, 1019327 + ... + 1019744.

It is an arithmetic number, because the mean of its divisors is an integer number (61172160).

Almost surely, 2^426165839 is an apocalyptic number.

426165839 is a deficient number, since it is larger than the sum of its proper divisors (63211441).

426165839 is a wasteful number, since it uses less digits than its factorization.

426165839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2039101.

The product of its digits is 311040, while the sum is 44.

The square root of 426165839 is about 20643.7845125355. The cubic root of 426165839 is about 752.5341472273.

The spelling of 426165839 in words is "four hundred twenty-six million, one hundred sixty-five thousand, eight hundred thirty-nine".