426897886 has 8 divisors (see below), whose sum is σ = 650844504. Its totient is φ = 209949720.

The previous prime is 426897857. The next prime is 426897901. The reversal of 426897886 is 688798624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×426897886³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 426897886.

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, 1749460 + ... + 1749703.

It is an arithmetic number, because the mean of its divisors is an integer number (81355563).

Almost surely, 2^426897886 is an apocalyptic number.

426897886 is a deficient number, since it is larger than the sum of its proper divisors (223946618).

426897886 is a wasteful number, since it uses less digits than its factorization.

426897886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3499226.

The product of its digits is 9289728, while the sum is 58.

The square root of 426897886 is about 20661.5073506267. The cubic root of 426897886 is about 752.9647896238.

The spelling of 426897886 in words is "four hundred twenty-six million, eight hundred ninety-seven thousand, eight hundred eighty-six".