646662034 has 8 divisors (see below), whose sum is σ = 970144560. Its totient is φ = 323280516.

The previous prime is 646662001. The next prime is 646662041. The reversal of 646662034 is 430266646.

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 = 646661984 and 646662002.

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, 6444 + ... + 36535.

It is an arithmetic number, because the mean of its divisors is an integer number (121268070).

Almost surely, 2^646662034 is an apocalyptic number.

646662034 is a deficient number, since it is larger than the sum of its proper divisors (323482526).

646662034 is a wasteful number, since it uses less digits than its factorization.

646662034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50504.

The product of its (nonzero) digits is 124416, while the sum is 37.

The square root of 646662034 is about 25429.5504089239. The cubic root of 646662034 is about 864.7537512817.

The spelling of 646662034 in words is "six hundred forty-six million, six hundred sixty-two thousand, thirty-four".