3889513 has 4 divisors (see below), whose sum is σ = 3942868. Its totient is φ = 3836160.

The previous prime is 3889493. The next prime is 3889519. The reversal of 3889513 is 3159883.

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 2155024 + 1734489 = 1468^2 + 1317^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3889513 is a prime.

It is a super-2 number, since 2×3889513² = 30256622754338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3889519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26568 + ... + 26713.

It is an arithmetic number, because the mean of its divisors is an integer number (985717).

Almost surely, 2^3889513 is an apocalyptic number.

It is an amenable number.

3889513 is a deficient number, since it is larger than the sum of its proper divisors (53355).

3889513 is an equidigital number, since it uses as much as digits as its factorization.

3889513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53354.

The product of its digits is 25920, while the sum is 37.

The square root of 3889513 is about 1972.1848290665. The cubic root of 3889513 is about 157.2648780327.

The spelling of 3889513 in words is "three million, eight hundred eighty-nine thousand, five hundred thirteen".