3992797 has 2 divisors, whose sum is σ = 3992798. Its totient is φ = 3992796.

The previous prime is 3992771. The next prime is 3992837. The reversal of 3992797 is 7972993.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3171961 + 820836 = 1781^2 + 906^2 .

It is a cyclic number.

It is not a de Polignac number, because 3992797 - 2¹⁵ = 3960029 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3092797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1996398 + 1996399.

It is an arithmetic number, because the mean of its divisors is an integer number (1996399).

Almost surely, 2^3992797 is an apocalyptic number.

It is an amenable number.

3992797 is a deficient number, since it is larger than the sum of its proper divisors (1).

3992797 is an equidigital number, since it uses as much as digits as its factorization.

3992797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 214326, while the sum is 46.

The square root of 3992797 is about 1998.1984385941. The cubic root of 3992797 is about 158.6447641973.

The spelling of 3992797 in words is "three million, nine hundred ninety-two thousand, seven hundred ninety-seven".