3969597 has 4 divisors (see below), whose sum is σ = 5292800. Its totient is φ = 2646396.

The previous prime is 3969583. The next prime is 3969601. The reversal of 3969597 is 7959693.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3969597 - 2¹⁸ = 3707453 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3969527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 661597 + ... + 661602.

It is an arithmetic number, because the mean of its divisors is an integer number (1323200).

Almost surely, 2^3969597 is an apocalyptic number.

It is an amenable number.

3969597 is a deficient number, since it is larger than the sum of its proper divisors (1323203).

3969597 is a wasteful number, since it uses less digits than its factorization.

3969597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323202.

The product of its digits is 459270, while the sum is 48.

The square root of 3969597 is about 1992.3847519995. The cubic root of 3969597 is about 158.3369006275.

The spelling of 3969597 in words is "three million, nine hundred sixty-nine thousand, five hundred ninety-seven".