3918713 has 4 divisors (see below), whose sum is σ = 3972468. Its totient is φ = 3864960.

The previous prime is 3918697. The next prime is 3918743. The reversal of 3918713 is 3178193.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1882384 + 2036329 = 1372^2 + 1427^2 .

It is a cyclic number.

It is not a de Polignac number, because 3918713 - 2⁴ = 3918697 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3918713.

It is not an unprimeable number, because it can be changed into a prime (3918743) 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, 26768 + ... + 26913.

It is an arithmetic number, because the mean of its divisors is an integer number (993117).

Almost surely, 2^3918713 is an apocalyptic number.

It is an amenable number.

3918713 is a deficient number, since it is larger than the sum of its proper divisors (53755).

3918713 is an equidigital number, since it uses as much as digits as its factorization.

3918713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53754.

The product of its digits is 4536, while the sum is 32.

The square root of 3918713 is about 1979.5739440597. The cubic root of 3918713 is about 157.6574456469.

The spelling of 3918713 in words is "three million, nine hundred eighteen thousand, seven hundred thirteen".