3994622 has 4 divisors (see below), whose sum is σ = 5991936. Its totient is φ = 1997310.

The previous prime is 3994621. The next prime is 3994681. The reversal of 3994622 is 2264993.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2264993 = 233 ⋅9721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3994621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 998654 + ... + 998657.

It is an arithmetic number, because the mean of its divisors is an integer number (1497984).

Almost surely, 2^3994622 is an apocalyptic number.

3994622 is a deficient number, since it is larger than the sum of its proper divisors (1997314).

3994622 is a wasteful number, since it uses less digits than its factorization.

3994622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1997313.

The product of its digits is 23328, while the sum is 35.

The square root of 3994622 is about 1998.6550477759. The cubic root of 3994622 is about 158.6689312657.

The spelling of 3994622 in words is "three million, nine hundred ninety-four thousand, six hundred twenty-two".