426408339 has 64 divisors (see below), whose sum is σ = 709632000. Its totient is φ = 227104416.

The previous prime is 426408337. The next prime is 426408343. The reversal of 426408339 is 933804624.

It is not a de Polignac number, because 426408339 - 2¹ = 426408337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 426408297 and 426408306.

It is not an unprimeable number, because it can be changed into a prime (426408337) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1017472 + ... + 1017890.

It is an arithmetic number, because the mean of its divisors is an integer number (11088000).

Almost surely, 2^426408339 is an apocalyptic number.

426408339 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

426408339 is a deficient number, since it is larger than the sum of its proper divisors (283223661).

426408339 is a wasteful number, since it uses less digits than its factorization.

426408339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509 (or 495 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 39.

The square root of 426408339 is about 20649.6571157973. The cubic root of 426408339 is about 752.6768576553.

The spelling of 426408339 in words is "four hundred twenty-six million, four hundred eight thousand, three hundred thirty-nine".