3944478 has 8 divisors (see below), whose sum is σ = 7888968. Its totient is φ = 1314824.

The previous prime is 3944461. The next prime is 3944483. The reversal of 3944478 is 8744493.

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

3944478 is an admirable number.

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, 328701 + ... + 328712.

It is an arithmetic number, because the mean of its divisors is an integer number (986121).

Almost surely, 2^3944478 is an apocalyptic number.

3944478 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3944478 is a wasteful number, since it uses less digits than its factorization.

3944478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657418.

The product of its digits is 96768, while the sum is 39.

The square root of 3944478 is about 1986.0709957099. The cubic root of 3944478 is about 158.0022164940.

The spelling of 3944478 in words is "three million, nine hundred forty-four thousand, four hundred seventy-eight".