683399906 has 16 divisors (see below), whose sum is σ = 1211941440. Its totient is φ = 282786000.

The previous prime is 683399863. The next prime is 683399911. The reversal of 683399906 is 609993386.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 841220 + ... + 842031.

It is an arithmetic number, because the mean of its divisors is an integer number (75746340).

Almost surely, 2^683399906 is an apocalyptic number.

683399906 is a deficient number, since it is larger than the sum of its proper divisors (528541534).

683399906 is a wasteful number, since it uses less digits than its factorization.

683399906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1683289.

The product of its (nonzero) digits is 1889568, while the sum is 53.

The square root of 683399906 is about 26141.9185600445. The cubic root of 683399906 is about 880.8290680166.

The spelling of 683399906 in words is "six hundred eighty-three million, three hundred ninety-nine thousand, nine hundred six".