6396970340 has 24 divisors (see below), whose sum is σ = 13566648312. Its totient is φ = 2533452800.

The previous prime is 6396970313. The next prime is 6396970357. The reversal of 6396970340 is 430796936.

It can be written as a sum of positive squares in 4 ways, for example, as 2486219044 + 3910751296 = 49862^2 + 62536^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1581389 + ... + 1585428.

It is an arithmetic number, because the mean of its divisors is an integer number (565277013).

Almost surely, 2^6396970340 is an apocalyptic number.

It is an amenable number.

6396970340 is an abundant number, since it is smaller than the sum of its proper divisors (7169677972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6396970340 is a wasteful number, since it uses less digits than its factorization.

6396970340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3166927 (or 3166925 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 47.

The square root of 6396970340 is about 79981.0623835418. The cubic root of 6396970340 is about 1856.3425197870.

The spelling of 6396970340 in words is "six billion, three hundred ninety-six million, nine hundred seventy thousand, three hundred forty".