3869956 has 12 divisors (see below), whose sum is σ = 6792268. Its totient is φ = 1929312.

The previous prime is 3869917. The next prime is 3869959. The reversal of 3869956 is 6599683.

It can be written as a sum of positive squares in 2 ways, for example, as 3204100 + 665856 = 1790^2 + 816^2 .

It is not an unprimeable number, because it can be changed into a prime (3869959) 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, 370 + ... + 2806.

Almost surely, 2^3869956 is an apocalyptic number.

It is an amenable number.

3869956 is a deficient number, since it is larger than the sum of its proper divisors (2922312).

3869956 is a wasteful number, since it uses less digits than its factorization.

3869956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2838 (or 2836 counting only the distinct ones).

The product of its digits is 349920, while the sum is 46.

The square root of 3869956 is about 1967.2203740303. The cubic root of 3869956 is about 157.0008519569. Note that the first 3 decimals are identical.

The spelling of 3869956 in words is "three million, eight hundred sixty-nine thousand, nine hundred fifty-six".