683399907 has 6 divisors (see below), whose sum is σ = 987133212. Its totient is φ = 455599932.

The previous prime is 683399863. The next prime is 683399911. The reversal of 683399907 is 709993386.

It is not a de Polignac number, because 683399907 - 2¹⁰ = 683398883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (683399947) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37966653 + ... + 37966670.

It is an arithmetic number, because the mean of its divisors is an integer number (164522202).

Almost surely, 2^683399907 is an apocalyptic number.

683399907 is a deficient number, since it is larger than the sum of its proper divisors (303733305).

683399907 is a wasteful number, since it uses less digits than its factorization.

683399907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75933329 (or 75933326 counting only the distinct ones).

The product of its (nonzero) digits is 2204496, while the sum is 54.

The square root of 683399907 is about 26141.9185791709. The cubic root of 683399907 is about 880.8290684462.

The spelling of 683399907 in words is "six hundred eighty-three million, three hundred ninety-nine thousand, nine hundred seven".