426889418 has 16 divisors (see below), whose sum is σ = 653184000. Its totient is φ = 209202336.

The previous prime is 426889399. The next prime is 426889429. The reversal of 426889418 is 814988624.

It is a super-3 number, since 3×426889418³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10958 + ... + 31206.

It is an arithmetic number, because the mean of its divisors is an integer number (40824000).

Almost surely, 2^426889418 is an apocalyptic number.

426889418 is a deficient number, since it is larger than the sum of its proper divisors (226294582).

426889418 is a wasteful number, since it uses less digits than its factorization.

426889418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20461.

The product of its digits is 884736, while the sum is 50.

The square root of 426889418 is about 20661.3024274851. The cubic root of 426889418 is about 752.9598109562.

The spelling of 426889418 in words is "four hundred twenty-six million, eight hundred eighty-nine thousand, four hundred eighteen".