426853644 has 24 divisors (see below), whose sum is σ = 1138276608. Its totient is φ = 121958160.

The previous prime is 426853631. The next prime is 426853649. The reversal of 426853644 is 446358624.

It is a super-3 number, since 3×426853644³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 426853596 and 426853605.

It is not an unprimeable number, because it can be changed into a prime (426853649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2540712 + ... + 2540879.

It is an arithmetic number, because the mean of its divisors is an integer number (47428192).

Almost surely, 2^426853644 is an apocalyptic number.

It is an amenable number.

426853644 is an abundant number, since it is smaller than the sum of its proper divisors (711422964).

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

426853644 is a wasteful number, since it uses less digits than its factorization.

426853644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5081605 (or 5081603 counting only the distinct ones).

The product of its digits is 552960, while the sum is 42.

The square root of 426853644 is about 20660.4366846396. The cubic root of 426853644 is about 752.9387772992.

The spelling of 426853644 in words is "four hundred twenty-six million, eight hundred fifty-three thousand, six hundred forty-four".