3993146 has 4 divisors (see below), whose sum is σ = 5989722. Its totient is φ = 1996572.

The previous prime is 3993127. The next prime is 3993161. The reversal of 3993146 is 6413993.

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., 2002225 + 1990921 = 1415^2 + 1411^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 998285 + ... + 998288.

Almost surely, 2^3993146 is an apocalyptic number.

3993146 is a deficient number, since it is larger than the sum of its proper divisors (1996576).

3993146 is a wasteful number, since it uses less digits than its factorization.

3993146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1996575.

The product of its digits is 17496, while the sum is 35.

The square root of 3993146 is about 1998.2857653499. The cubic root of 3993146 is about 158.6493863047.

The spelling of 3993146 in words is "three million, nine hundred ninety-three thousand, one hundred forty-six".