3628791 has 12 divisors (see below), whose sum is σ = 5517720. Its totient is φ = 2291760.

The previous prime is 3628789. The next prime is 3628811. The reversal of 3628791 is 1978263.

It is not a de Polignac number, because 3628791 - 2¹ = 3628789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3628711) 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 in 11 ways as a sum of consecutive naturals, for example, 10440 + ... + 10781.

It is an arithmetic number, because the mean of its divisors is an integer number (459810).

Almost surely, 2^3628791 is an apocalyptic number.

3628791 is a deficient number, since it is larger than the sum of its proper divisors (1888929).

3628791 is a wasteful number, since it uses less digits than its factorization.

3628791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21246 (or 21243 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 3628791 is about 1904.9385816871. The cubic root of 3628791 is about 153.6693727568.

The spelling of 3628791 in words is "three million, six hundred twenty-eight thousand, seven hundred ninety-one".