3959497 has 4 divisors (see below), whose sum is σ = 3963856. Its totient is φ = 3955140.

The previous prime is 3959491. The next prime is 3959507. The reversal of 3959497 is 7949593.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3959497 - 2¹⁵ = 3926729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3959491) 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, 243 + ... + 2824.

It is an arithmetic number, because the mean of its divisors is an integer number (990964).

Almost surely, 2^3959497 is an apocalyptic number.

It is an amenable number.

3959497 is a deficient number, since it is larger than the sum of its proper divisors (4359).

3959497 is a wasteful number, since it uses less digits than its factorization.

3959497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4358.

The product of its digits is 306180, while the sum is 46.

The square root of 3959497 is about 1989.8484866944. The cubic root of 3959497 is about 158.2024989976.

It can be divided in two parts, 39 and 59497, that added together give a square (59536 = 244²).

The spelling of 3959497 in words is "three million, nine hundred fifty-nine thousand, four hundred ninety-seven".