3944897 has 8 divisors (see below), whose sum is σ = 4408992. Its totient is φ = 3498400.

The previous prime is 3944881. The next prime is 3944909. The reversal of 3944897 is 7984493.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3944897 - 2⁴ = 3944881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3944807) 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, 3923 + ... + 4824.

It is an arithmetic number, because the mean of its divisors is an integer number (551124).

Almost surely, 2^3944897 is an apocalyptic number.

It is an amenable number.

3944897 is a deficient number, since it is larger than the sum of its proper divisors (464095).

3944897 is a wasteful number, since it uses less digits than its factorization.

3944897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8799.

The product of its digits is 217728, while the sum is 44.

The square root of 3944897 is about 1986.1764775568. The cubic root of 3944897 is about 158.0078108621.

The spelling of 3944897 in words is "three million, nine hundred forty-four thousand, eight hundred ninety-seven".