3996873 has 12 divisors (see below), whose sum is σ = 5831748. Its totient is φ = 2637600.

The previous prime is 3996869. The next prime is 3996911. The reversal of 3996873 is 3786993.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3069504 + 927369 = 1752^2 + 963^2 .

It is not a de Polignac number, because 3996873 - 2² = 3996869 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3996073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1290 + ... + 3107.

It is an arithmetic number, because the mean of its divisors is an integer number (485979).

Almost surely, 2^3996873 is an apocalyptic number.

It is an amenable number.

3996873 is a deficient number, since it is larger than the sum of its proper divisors (1834875).

3996873 is a wasteful number, since it uses less digits than its factorization.

3996873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4504 (or 4501 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 3996873 is about 1999.2180971570. The cubic root of 3996873 is about 158.6987293874.

The spelling of 3996873 in words is "three million, nine hundred ninety-six thousand, eight hundred seventy-three".