2039797 has 2 divisors, whose sum is σ = 2039798. Its totient is φ = 2039796.

The previous prime is 2039789. The next prime is 2039819. The reversal of 2039797 is 7979302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1999396 + 40401 = 1414^2 + 201^2 .

It is a cyclic number.

It is not a de Polignac number, because 2039797 - 2³ = 2039789 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 (2039777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1019898 + 1019899.

It is an arithmetic number, because the mean of its divisors is an integer number (1019899).

2^2039797 is an apocalyptic number.

It is an amenable number.

2039797 is a deficient number, since it is larger than the sum of its proper divisors (1).

2039797 is an equidigital number, since it uses as much as digits as its factorization.

2039797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23814, while the sum is 37.

The square root of 2039797 is about 1428.2146197263. The cubic root of 2039797 is about 126.8223071410.

It can be divided in two parts, 203 and 9797, that added together give a 4-th power (10000 = 10⁴).

The spelling of 2039797 in words is "two million, thirty-nine thousand, seven hundred ninety-seven".