3874636 has 6 divisors (see below), whose sum is σ = 6780620. Its totient is φ = 1937316.

The previous prime is 3874583. The next prime is 3874639. The reversal of 3874636 is 6364783.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3874595 and 3874604.

It is not an unprimeable number, because it can be changed into a prime (3874639) 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 as a sum of consecutive naturals, namely, 484326 + ... + 484333.

Almost surely, 2^3874636 is an apocalyptic number.

It is an amenable number.

3874636 is a deficient number, since it is larger than the sum of its proper divisors (2905984).

3874636 is a wasteful number, since it uses less digits than its factorization.

3874636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968663 (or 968661 counting only the distinct ones).

The product of its digits is 72576, while the sum is 37.

The square root of 3874636 is about 1968.4095102392. The cubic root of 3874636 is about 157.0641143470.

The spelling of 3874636 in words is "three million, eight hundred seventy-four thousand, six hundred thirty-six".