3914644 has 12 divisors (see below), whose sum is σ = 6891444. Its totient is φ = 1945664.

The previous prime is 3914621. The next prime is 3914663. The reversal of 3914644 is 4464193.

It can be written as a sum of positive squares in 2 ways, for example, as 1988100 + 1926544 = 1410^2 + 1388^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2137 + ... + 3520.

It is an arithmetic number, because the mean of its divisors is an integer number (574287).

Almost surely, 2^3914644 is an apocalyptic number.

It is an amenable number.

3914644 is a deficient number, since it is larger than the sum of its proper divisors (2976800).

3914644 is a wasteful number, since it uses less digits than its factorization.

3914644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5834 (or 5832 counting only the distinct ones).

The product of its digits is 10368, while the sum is 31.

The square root of 3914644 is about 1978.5459307279. The cubic root of 3914644 is about 157.6028588211.

The spelling of 3914644 in words is "three million, nine hundred fourteen thousand, six hundred forty-four".