3927944 has 8 divisors (see below), whose sum is σ = 7364910. Its totient is φ = 1963968.

The previous prime is 3927943. The next prime is 3927961. The reversal of 3927944 is 4497293.

3927944 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2365444 + 1562500 = 1538^2 + 1250^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 3927898 and 3927907.

It is not an unprimeable number, because it can be changed into a prime (3927941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245489 + ... + 245504.

Almost surely, 2^3927944 is an apocalyptic number.

It is an amenable number.

3927944 is a deficient number, since it is larger than the sum of its proper divisors (3436966).

3927944 is a wasteful number, since it uses less digits than its factorization.

3927944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490999 (or 490995 counting only the distinct ones).

The product of its digits is 54432, while the sum is 38.

The square root of 3927944 is about 1981.9041349167. The cubic root of 3927944 is about 157.7811422648.

The spelling of 3927944 in words is "three million, nine hundred twenty-seven thousand, nine hundred forty-four".