3873506 has 16 divisors (see below), whose sum is σ = 7151424. Its totient is φ = 1532304.

The previous prime is 3873497. The next prime is 3873509. The reversal of 3873506 is 6053783.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3873509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10460 + ... + 10823.

It is an arithmetic number, because the mean of its divisors is an integer number (446964).

Almost surely, 2^3873506 is an apocalyptic number.

3873506 is a deficient number, since it is larger than the sum of its proper divisors (3277918).

3873506 is a wasteful number, since it uses less digits than its factorization.

3873506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21305.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 3873506 is about 1968.1224555398. The cubic root of 3873506 is about 157.0488441207.

The spelling of 3873506 in words is "three million, eight hundred seventy-three thousand, five hundred six".