683224397 has 4 divisors (see below), whose sum is σ = 684583200. Its totient is φ = 681865596.

The previous prime is 683224391. The next prime is 683224403. The reversal of 683224397 is 793422386.

683224397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (683224391) and next prime (683224403).

It is a cyclic number.

It is not a de Polignac number, because 683224397 - 2²⁰ = 682175821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683224391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 678647 + ... + 679652.

It is an arithmetic number, because the mean of its divisors is an integer number (171145800).

Almost surely, 2^683224397 is an apocalyptic number.

It is an amenable number.

683224397 is a deficient number, since it is larger than the sum of its proper divisors (1358803).

683224397 is a wasteful number, since it uses less digits than its factorization.

683224397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358802.

The product of its digits is 435456, while the sum is 44.

The square root of 683224397 is about 26138.5614944664. The cubic root of 683224397 is about 880.7536574780.

The spelling of 683224397 in words is "six hundred eighty-three million, two hundred twenty-four thousand, three hundred ninety-seven".