426866000 has 80 divisors (see below), whose sum is σ = 1126052928. Its totient is φ = 155216000.

The previous prime is 426865997. The next prime is 426866017. The reversal of 426866000 is 668624.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-3 number, since 3×426866000³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12299 + ... + 31701.

Almost surely, 2^426866000 is an apocalyptic number.

426866000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 426866000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (563026464).

426866000 is an abundant number, since it is smaller than the sum of its proper divisors (699186928).

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

426866000 is a wasteful number, since it uses less digits than its factorization.

426866000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19437 (or 19421 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 426866000 is about 20660.7357081010. The cubic root of 426866000 is about 752.9460422575.

The spelling of 426866000 in words is "four hundred twenty-six million, eight hundred sixty-six thousand".