426985814 has 4 divisors (see below), whose sum is σ = 640478724. Its totient is φ = 213492906.

The previous prime is 426985813. The next prime is 426985903. The reversal of 426985814 is 418589624.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426985813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106746452 + ... + 106746455.

It is an arithmetic number, because the mean of its divisors is an integer number (160119681).

Almost surely, 2^426985814 is an apocalyptic number.

426985814 is a deficient number, since it is larger than the sum of its proper divisors (213492910).

426985814 is a wasteful number, since it uses less digits than its factorization.

426985814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213492909.

The product of its digits is 552960, while the sum is 47.

The square root of 426985814 is about 20663.6350625924. The cubic root of 426985814 is about 753.0164820349.

The spelling of 426985814 in words is "four hundred twenty-six million, nine hundred eighty-five thousand, eight hundred fourteen".