426885816 has 64 divisors (see below), whose sum is σ = 1221223680. Its totient is φ = 121812480.

The previous prime is 426885803. The next prime is 426885817. The reversal of 426885816 is 618588624.

It is a happy number.

It is a super-3 number, since 3×426885816³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426885817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227715 + ... + 229581.

It is an arithmetic number, because the mean of its divisors is an integer number (19081620).

Almost surely, 2^426885816 is an apocalyptic number.

It is an amenable number.

426885816 is an abundant number, since it is smaller than the sum of its proper divisors (794337864).

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

426885816 is a wasteful number, since it uses less digits than its factorization.

426885816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3244 (or 3240 counting only the distinct ones).

The product of its digits is 737280, while the sum is 48.

The square root of 426885816 is about 20661.2152595146. The cubic root of 426885816 is about 752.9576931799.

The spelling of 426885816 in words is "four hundred twenty-six million, eight hundred eighty-five thousand, eight hundred sixteen".