426446939 has 8 divisors (see below), whose sum is σ = 428509200. Its totient is φ = 424390176.

The previous prime is 426446879. The next prime is 426446959. The reversal of 426446939 is 939644624.

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 426446939 - 2¹² = 426442843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 426446893 and 426446902.

It is not an unprimeable number, because it can be changed into a prime (426446959) 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, 254984 + ... + 256650.

It is an arithmetic number, because the mean of its divisors is an integer number (53563650).

Almost surely, 2^426446939 is an apocalyptic number.

426446939 is a deficient number, since it is larger than the sum of its proper divisors (2062261).

426446939 is a wasteful number, since it uses less digits than its factorization.

426446939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2749.

The product of its digits is 1119744, while the sum is 47.

The square root of 426446939 is about 20650.5917348632. The cubic root of 426446939 is about 752.6995686324.

The spelling of 426446939 in words is "four hundred twenty-six million, four hundred forty-six thousand, nine hundred thirty-nine".