3996697 has 6 divisors (see below), whose sum is σ = 4045262. Its totient is φ = 3948672.

The previous prime is 3996653. The next prime is 3996743. The reversal of 3996697 is 7966993.

It can be written as a sum of positive squares in 3 ways, for example, as 1320201 + 2676496 = 1149^2 + 1636^2 .

It is not a de Polignac number, because 3996697 - 2⁷ = 3996569 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3996697.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3996647) 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 in 5 ways as a sum of consecutive naturals, for example, 12613 + ... + 12925.

Almost surely, 2^3996697 is an apocalyptic number.

It is an amenable number.

3996697 is a deficient number, since it is larger than the sum of its proper divisors (48565).

3996697 is an equidigital number, since it uses as much as digits as its factorization.

3996697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539 (or 426 counting only the distinct ones).

The product of its digits is 551124, while the sum is 49.

The square root of 3996697 is about 1999.1740794638. The cubic root of 3996697 is about 158.6963999508.

The spelling of 3996697 in words is "three million, nine hundred ninety-six thousand, six hundred ninety-seven".