426388884 has 12 divisors (see below), whose sum is σ = 994907424. Its totient is φ = 142129624.

The previous prime is 426388873. The next prime is 426388931. The reversal of 426388884 is 488883624.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17766192 + ... + 17766215.

It is an arithmetic number, because the mean of its divisors is an integer number (82908952).

Almost surely, 2^426388884 is an apocalyptic number.

It is an amenable number.

426388884 is an abundant number, since it is smaller than the sum of its proper divisors (568518540).

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

426388884 is a wasteful number, since it uses less digits than its factorization.

426388884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35532414 (or 35532412 counting only the distinct ones).

The product of its digits is 2359296, while the sum is 51.

The square root of 426388884 is about 20649.1860372267. The cubic root of 426388884 is about 752.6654104503.

The spelling of 426388884 in words is "four hundred twenty-six million, three hundred eighty-eight thousand, eight hundred eighty-four".