3946785 has 8 divisors (see below), whose sum is σ = 6314880. Its totient is φ = 2104944.

The previous prime is 3946763. The next prime is 3946793. The reversal of 3946785 is 5876493.

It is a happy number.

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

It is not a de Polignac number, because 3946785 - 2⁶ = 3946721 is a prime.

It is a super-2 number, since 2×3946785² = 31154223672450, which contains 22 as substring.

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, 131545 + ... + 131574.

It is an arithmetic number, because the mean of its divisors is an integer number (789360).

Almost surely, 2^3946785 is an apocalyptic number.

It is an amenable number.

3946785 is a deficient number, since it is larger than the sum of its proper divisors (2368095).

3946785 is a wasteful number, since it uses less digits than its factorization.

3946785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263127.

The product of its digits is 181440, while the sum is 42.

The square root of 3946785 is about 1986.6517057602. The cubic root of 3946785 is about 158.0330139847.

The spelling of 3946785 in words is "three million, nine hundred forty-six thousand, seven hundred eighty-five".