3999322 has 4 divisors (see below), whose sum is σ = 5998986. Its totient is φ = 1999660.

The previous prime is 3999313. The next prime is 3999323. The reversal of 3999322 is 2239993.

3999322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3308761 + 690561 = 1819^2 + 831^2 .

It is not an unprimeable number, because it can be changed into a prime (3999323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 999829 + ... + 999832.

Almost surely, 2^3999322 is an apocalyptic number.

3999322 is a deficient number, since it is larger than the sum of its proper divisors (1999664).

3999322 is a wasteful number, since it uses less digits than its factorization.

3999322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1999663.

The product of its digits is 26244, while the sum is 37.

The square root of 3999322 is about 1999.8304928168. The cubic root of 3999322 is about 158.7311358741.

The spelling of 3999322 in words is "three million, nine hundred ninety-nine thousand, three hundred twenty-two".