840996337 has 2 divisors, whose sum is σ = 840996338. Its totient is φ = 840996336.

The previous prime is 840996329. The next prime is 840996389. The reversal of 840996337 is 733699048.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 613107121 + 227889216 = 24761^2 + 15096^2 .

It is a cyclic number.

It is not a de Polignac number, because 840996337 - 2³ = 840996329 is a prime.

It is not a weakly prime, because it can be changed into another prime (840996437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 420498168 + 420498169.

It is an arithmetic number, because the mean of its divisors is an integer number (420498169).

Almost surely, 2^840996337 is an apocalyptic number.

It is an amenable number.

840996337 is a deficient number, since it is larger than the sum of its proper divisors (1).

840996337 is an equidigital number, since it uses as much as digits as its factorization.

840996337 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 979776, while the sum is 49.

The square root of 840996337 is about 28999.9368447588. The cubic root of 840996337 is about 943.9116973236.

It can be divided in two parts, 8409963 and 37, that added together give a square (8410000 = 2900²).

The spelling of 840996337 in words is "eight hundred forty million, nine hundred ninety-six thousand, three hundred thirty-seven".