3630791 has 4 divisors (see below), whose sum is σ = 3715272. Its totient is φ = 3546312.

The previous prime is 3630779. The next prime is 3630793. The reversal of 3630791 is 1970363.

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

It is a cyclic number.

It is not a de Polignac number, because 3630791 - 2¹⁴ = 3614407 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3630793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42176 + ... + 42261.

It is an arithmetic number, because the mean of its divisors is an integer number (928818).

Almost surely, 2^3630791 is an apocalyptic number.

3630791 is a deficient number, since it is larger than the sum of its proper divisors (84481).

3630791 is an equidigital number, since it uses as much as digits as its factorization.

3630791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84480.

The product of its (nonzero) digits is 3402, while the sum is 29.

The square root of 3630791 is about 1905.4634606835. The cubic root of 3630791 is about 153.6975990816.

The spelling of 3630791 in words is "three million, six hundred thirty thousand, seven hundred ninety-one".