646286234 has 8 divisors (see below), whose sum is σ = 1057559328. Its totient is φ = 293766460.

The previous prime is 646286189. The next prime is 646286287. The reversal of 646286234 is 432682646.

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

It is a junction number, because it is equal to n+sod(n) for n = 646286191 and 646286200.

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, 14688302 + ... + 14688345.

It is an arithmetic number, because the mean of its divisors is an integer number (132194916).

Almost surely, 2^646286234 is an apocalyptic number.

646286234 is a deficient number, since it is larger than the sum of its proper divisors (411273094).

646286234 is a wasteful number, since it uses less digits than its factorization.

646286234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29376660.

The product of its digits is 331776, while the sum is 41.

The square root of 646286234 is about 25422.1602937280. The cubic root of 646286234 is about 864.5862050135.

The spelling of 646286234 in words is "six hundred forty-six million, two hundred eighty-six thousand, two hundred thirty-four".