3996550 has 24 divisors (see below), whose sum is σ = 7550856. Its totient is φ = 1573440.

The previous prime is 3996541. The next prime is 3996569. The reversal of 3996550 is 556993.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2754 + ... + 3946.

It is an arithmetic number, because the mean of its divisors is an integer number (314619).

Almost surely, 2^3996550 is an apocalyptic number.

3996550 is a deficient number, since it is larger than the sum of its proper divisors (3554306).

3996550 is a wasteful number, since it uses less digits than its factorization.

3996550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272 (or 1267 counting only the distinct ones).

The product of its (nonzero) digits is 36450, while the sum is 37.

The square root of 3996550 is about 1999.1373139432. The cubic root of 3996550 is about 158.6944542894.

Subtracting from 3996550 its product of nonzero digits (36450), we obtain a square (3960100 = 1990²).

The spelling of 3996550 in words is "three million, nine hundred ninety-six thousand, five hundred fifty".