3949317 has 10 divisors (see below), whose sum is σ = 5899718. Its totient is φ = 2632824.

The previous prime is 3949313. The next prime is 3949333. The reversal of 3949317 is 7139493.

It can be written as a sum of positive squares in only one way, i.e., 2802276 + 1147041 = 1674^2 + 1071^2 .

It is not a de Polignac number, because 3949317 - 2² = 3949313 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3949313) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 24298 + ... + 24459.

Almost surely, 2^3949317 is an apocalyptic number.

It is an amenable number.

3949317 is a deficient number, since it is larger than the sum of its proper divisors (1950401).

3949317 is an equidigital number, since it uses as much as digits as its factorization.

3949317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48769 (or 48760 counting only the distinct ones).

The product of its digits is 20412, while the sum is 36.

The square root of 3949317 is about 1987.2888567091. The cubic root of 3949317 is about 158.0668013208.

The spelling of 3949317 in words is "three million, nine hundred forty-nine thousand, three hundred seventeen".