3944285 has 8 divisors (see below), whose sum is σ = 4886016. Its totient is φ = 3053520.

The previous prime is 3944257. The next prime is 3944309. The reversal of 3944285 is 5824493.

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

It is a de Polignac number, because none of the positive numbers 2^k-3944285 is a prime.

It is a super-2 number, since 2×3944285² = 31114768322450, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12569 + ... + 12878.

It is an arithmetic number, because the mean of its divisors is an integer number (610752).

Almost surely, 2^3944285 is an apocalyptic number.

It is an amenable number.

3944285 is a deficient number, since it is larger than the sum of its proper divisors (941731).

3944285 is a wasteful number, since it uses less digits than its factorization.

3944285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25483.

The product of its digits is 34560, while the sum is 35.

The square root of 3944285 is about 1986.0224067215. The cubic root of 3944285 is about 157.9996394800. Note that the first 3 decimals are identical.

The spelling of 3944285 in words is "three million, nine hundred forty-four thousand, two hundred eighty-five".