3937313 has 4 divisors (see below), whose sum is σ = 4144560. Its totient is φ = 3730068.

The previous prime is 3937303. The next prime is 3937321. The reversal of 3937313 is 3137393.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3137393 = 7 ⋅448199.

It is a cyclic number.

It is not a de Polignac number, because 3937313 - 2⁶ = 3937249 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3937303) 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, 103595 + ... + 103632.

It is an arithmetic number, because the mean of its divisors is an integer number (1036140).

Almost surely, 2^3937313 is an apocalyptic number.

It is an amenable number.

3937313 is a deficient number, since it is larger than the sum of its proper divisors (207247).

3937313 is a wasteful number, since it uses less digits than its factorization.

3937313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207246.

The product of its digits is 5103, while the sum is 29.

The square root of 3937313 is about 1984.2663631680. The cubic root of 3937313 is about 157.9064900939.

The spelling of 3937313 in words is "three million, nine hundred thirty-seven thousand, three hundred thirteen".