3946385 has 8 divisors (see below), whose sum is σ = 4767936. Its totient is φ = 3135600.

The previous prime is 3946381. The next prime is 3946387. The reversal of 3946385 is 5836493.

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

It is not a de Polignac number, because 3946385 - 2² = 3946381 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3946381) 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, 1859 + ... + 3368.

It is an arithmetic number, because the mean of its divisors is an integer number (595992).

Almost surely, 2^3946385 is an apocalyptic number.

It is an amenable number.

3946385 is a deficient number, since it is larger than the sum of its proper divisors (821551).

3946385 is a wasteful number, since it uses less digits than its factorization.

3946385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5383.

The product of its digits is 77760, while the sum is 38.

The square root of 3946385 is about 1986.5510313103. The cubic root of 3946385 is about 158.0276750112.

The spelling of 3946385 in words is "three million, nine hundred forty-six thousand, three hundred eighty-five".