426645206 has 8 divisors (see below), whose sum is σ = 689196144. Its totient is φ = 196913160.

The previous prime is 426645169. The next prime is 426645217. The reversal of 426645206 is 602546624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×426645206² = 364052263605564872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8204690 + ... + 8204741.

It is an arithmetic number, because the mean of its divisors is an integer number (86149518).

Almost surely, 2^426645206 is an apocalyptic number.

426645206 is a deficient number, since it is larger than the sum of its proper divisors (262550938).

426645206 is a wasteful number, since it uses less digits than its factorization.

426645206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16409446.

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 426645206 is about 20655.3916932117. The cubic root of 426645206 is about 752.8162008554.

The spelling of 426645206 in words is "four hundred twenty-six million, six hundred forty-five thousand, two hundred six".