3870313 has 4 divisors (see below), whose sum is σ = 3874948. Its totient is φ = 3865680.

The previous prime is 3870299. The next prime is 3870337. The reversal of 3870313 is 3130783.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2999824 + 870489 = 1732^2 + 933^2 .

It is a cyclic number.

It is not a de Polignac number, because 3870313 - 2¹³ = 3862121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3870413) 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, 678 + ... + 2863.

It is an arithmetic number, because the mean of its divisors is an integer number (968737).

Almost surely, 2^3870313 is an apocalyptic number.

It is an amenable number.

3870313 is a deficient number, since it is larger than the sum of its proper divisors (4635).

3870313 is a wasteful number, since it uses less digits than its factorization.

3870313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4634.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 3870313 is about 1967.3111091030. The cubic root of 3870313 is about 157.0056795381.

The spelling of 3870313 in words is "three million, eight hundred seventy thousand, three hundred thirteen".