426398872 has 16 divisors (see below), whose sum is σ = 804405240. Its totient is φ = 211890816.

The previous prime is 426398867. The next prime is 426398891. The reversal of 426398872 is 278893624.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 162193 + ... + 164800.

Almost surely, 2^426398872 is an apocalyptic number.

It is an amenable number.

426398872 is a deficient number, since it is larger than the sum of its proper divisors (378006368).

426398872 is a wasteful number, since it uses less digits than its factorization.

426398872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327162 (or 327158 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 49.

The square root of 426398872 is about 20649.4278855372. The cubic root of 426398872 is about 752.6712873729.

The spelling of 426398872 in words is "four hundred twenty-six million, three hundred ninety-eight thousand, eight hundred seventy-two".