3869415 has 24 divisors (see below), whose sum is σ = 7317648. Its totient is φ = 1875840.

The previous prime is 3869399. The next prime is 3869417. The reversal of 3869415 is 5149683.

It is not a de Polignac number, because 3869415 - 2⁴ = 3869399 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 3869415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3869417) 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 23 ways as a sum of consecutive naturals, for example, 3414 + ... + 4403.

It is an arithmetic number, because the mean of its divisors is an integer number (304902).

Almost surely, 2^3869415 is an apocalyptic number.

3869415 is a deficient number, since it is larger than the sum of its proper divisors (3448233).

3869415 is a wasteful number, since it uses less digits than its factorization.

3869415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7839 (or 7836 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 3869415 is about 1967.0828655651. The cubic root of 3869415 is about 156.9935356447.

It can be divided in two parts, 386 and 9415, that added together give a square (9801 = 99²).

The spelling of 3869415 in words is "three million, eight hundred sixty-nine thousand, four hundred fifteen".