3878693 has 12 divisors (see below), whose sum is σ = 4859820. Its totient is φ = 3068352.

The previous prime is 3878687. The next prime is 3878701. The reversal of 3878693 is 3968783.

It can be written as a sum of positive squares in 2 ways, for example, as 717409 + 3161284 = 847^2 + 1778^2 .

It is not a de Polignac number, because 3878693 - 2⁶ = 3878629 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3878653) 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 11 ways as a sum of consecutive naturals, for example, 2408 + ... + 3681.

It is an arithmetic number, because the mean of its divisors is an integer number (404985).

Almost surely, 2^3878693 is an apocalyptic number.

It is an amenable number.

3878693 is a deficient number, since it is larger than the sum of its proper divisors (981127).

3878693 is a wasteful number, since it uses less digits than its factorization.

3878693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6116 (or 6109 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 3878693 is about 1969.4397680559. The cubic root of 3878693 is about 157.1189140617.

The spelling of 3878693 in words is "three million, eight hundred seventy-eight thousand, six hundred ninety-three".