3949313 has 2 divisors, whose sum is σ = 3949314. Its totient is φ = 3949312.

The previous prime is 3949301. The next prime is 3949333. The reversal of 3949313 is 3139493.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2765569 + 1183744 = 1663^2 + 1088^2 .

It is a cyclic number.

It is not a de Polignac number, because 3949313 - 2¹⁰ = 3948289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3949313.

It is not a weakly prime, because it can be changed into another prime (3949333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1974656 + 1974657.

It is an arithmetic number, because the mean of its divisors is an integer number (1974657).

Almost surely, 2^3949313 is an apocalyptic number.

It is an amenable number.

3949313 is a deficient number, since it is larger than the sum of its proper divisors (1).

3949313 is an equidigital number, since it uses as much as digits as its factorization.

3949313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8748, while the sum is 32.

The square root of 3949313 is about 1987.2878503126. The cubic root of 3949313 is about 158.0667479557.

The spelling of 3949313 in words is "three million, nine hundred forty-nine thousand, three hundred thirteen".