3720611 has 4 divisors (see below), whose sum is σ = 3724800. Its totient is φ = 3716424.

The previous prime is 3720583. The next prime is 3720617. The reversal of 3720611 is 1160273.

It is a happy number.

3720611 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3720611 - 2¹⁰ = 3719587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3720617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176 + ... + 2733.

It is an arithmetic number, because the mean of its divisors is an integer number (931200).

Almost surely, 2^3720611 is an apocalyptic number.

3720611 is a deficient number, since it is larger than the sum of its proper divisors (4189).

3720611 is a wasteful number, since it uses less digits than its factorization.

3720611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4188.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 3720611 is about 1928.8885400665. Note that the first 3 decimals coincide. The cubic root of 3720611 is about 154.9547006021.

Adding to 3720611 its reverse (1160273), we get a palindrome (4880884).

The spelling of 3720611 in words is "three million, seven hundred twenty thousand, six hundred eleven".