3877613 has 2 divisors, whose sum is σ = 3877614. Its totient is φ = 3877612.

The previous prime is 3877609. The next prime is 3877631. The reversal of 3877613 is 3167783.

Together with next prime (3877631) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3232804 + 644809 = 1798^2 + 803^2 .

It is a cyclic number.

It is not a de Polignac number, because 3877613 - 2² = 3877609 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3877603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1938806 + 1938807.

It is an arithmetic number, because the mean of its divisors is an integer number (1938807).

Almost surely, 2^3877613 is an apocalyptic number.

It is an amenable number.

3877613 is a deficient number, since it is larger than the sum of its proper divisors (1).

3877613 is an equidigital number, since it uses as much as digits as its factorization.

3877613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21168, while the sum is 35.

The square root of 3877613 is about 1969.1655593169. The cubic root of 3877613 is about 157.1043297520.

It can be divided in two parts, 387 and 7613, that added together give a cube (8000 = 20³).

The spelling of 3877613 in words is "three million, eight hundred seventy-seven thousand, six hundred thirteen".