3994786 has 8 divisors (see below), whose sum is σ = 6131664. Its totient is φ = 1950900.

The previous prime is 3994777. The next prime is 3994787. The reversal of 3994786 is 6874993.

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

It is not an unprimeable number, because it can be changed into a prime (3994787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23140 + ... + 23311.

It is an arithmetic number, because the mean of its divisors is an integer number (766458).

Almost surely, 2^3994786 is an apocalyptic number.

3994786 is a deficient number, since it is larger than the sum of its proper divisors (2136878).

3994786 is a wasteful number, since it uses less digits than its factorization.

3994786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46496.

The product of its digits is 326592, while the sum is 46.

The square root of 3994786 is about 1998.6960749449. The cubic root of 3994786 is about 158.6711026308.

The spelling of 3994786 in words is "three million, nine hundred ninety-four thousand, seven hundred eighty-six".