426838836 has 48 divisors (see below), whose sum is σ = 1008987840. Its totient is φ = 140428800.

The previous prime is 426838831. The next prime is 426838847. The reversal of 426838836 is 638838624.

426838836 = 234² + 235² + ... + 1089².

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426838831) 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 15 ways as a sum of consecutive naturals, for example, 514470 + ... + 515298.

It is an arithmetic number, because the mean of its divisors is an integer number (21020580).

Almost surely, 2^426838836 is an apocalyptic number.

It is an amenable number.

426838836 is an abundant number, since it is smaller than the sum of its proper divisors (582149004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

426838836 is a wasteful number, since it uses less digits than its factorization.

426838836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344 (or 1342 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 48.

The square root of 426838836 is about 20660.0783154372. The cubic root of 426838836 is about 752.9300704536.

The spelling of 426838836 in words is "four hundred twenty-six million, eight hundred thirty-eight thousand, eight hundred thirty-six".