3968497 has 8 divisors (see below), whose sum is σ = 4525416. Its totient is φ = 3447552.

The previous prime is 3968491. The next prime is 3968501. The reversal of 3968497 is 7948693.

It can be written as a sum of positive squares in 4 ways, for example, as 1766241 + 2202256 = 1329^2 + 1484^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3968497 - 2¹⁹ = 3444209 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3968491) 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 7 ways as a sum of consecutive naturals, for example, 8758 + ... + 9199.

It is an arithmetic number, because the mean of its divisors is an integer number (565677).

Almost surely, 2^3968497 is an apocalyptic number.

It is an amenable number.

3968497 is a deficient number, since it is larger than the sum of its proper divisors (556919).

3968497 is a wasteful number, since it uses less digits than its factorization.

3968497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17987.

The product of its digits is 326592, while the sum is 46.

The square root of 3968497 is about 1992.1086817742. The cubic root of 3968497 is about 158.3222738967.

It can be divided in two parts, 3968 and 497, that added together give a triangular number (4465 = T₉₄).

The spelling of 3968497 in words is "three million, nine hundred sixty-eight thousand, four hundred ninety-seven".