426000866 has 4 divisors (see below), whose sum is σ = 639001302. Its totient is φ = 213000432.

The previous prime is 426000857. The next prime is 426000899. The reversal of 426000866 is 668000624.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 260338225 + 165662641 = 16135^2 + 12871^2 .

It is a super-3 number, since 3×426000866³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106500215 + ... + 106500218.

Almost surely, 2^426000866 is an apocalyptic number.

426000866 is a deficient number, since it is larger than the sum of its proper divisors (213000436).

426000866 is a wasteful number, since it uses less digits than its factorization.

426000866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213000435.

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

The square root of 426000866 is about 20639.7884194582. The cubic root of 426000866 is about 752.4370302308.

The spelling of 426000866 in words is "four hundred twenty-six million, eight hundred sixty-six", and thus it is an aban number.