3870946 has 32 divisors (see below), whose sum is σ = 6589440. Its totient is φ = 1696464.

The previous prime is 3870941. The next prime is 3870947. The reversal of 3870946 is 6490783.

It is not an unprimeable number, because it can be changed into a prime (3870941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37531 + ... + 37633.

It is an arithmetic number, because the mean of its divisors is an integer number (205920).

Almost surely, 2^3870946 is an apocalyptic number.

3870946 is a deficient number, since it is larger than the sum of its proper divisors (2718494).

3870946 is a wasteful number, since it uses less digits than its factorization.

3870946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 3870946 is about 1967.4719820114. The cubic root of 3870946 is about 157.0142386372.

The spelling of 3870946 in words is "three million, eight hundred seventy thousand, nine hundred forty-six".