3720899 has 16 divisors (see below), whose sum is σ = 4730880. Its totient is φ = 2846880.

The previous prime is 3720889. The next prime is 3720907. The reversal of 3720899 is 9980273.

3720899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3720899 - 2²⁰ = 2672323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3720839) 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 15 ways as a sum of consecutive naturals, for example, 2162 + ... + 3480.

It is an arithmetic number, because the mean of its divisors is an integer number (295680).

Almost surely, 2^3720899 is an apocalyptic number.

3720899 is a deficient number, since it is larger than the sum of its proper divisors (1009981).

3720899 is a wasteful number, since it uses less digits than its factorization.

3720899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 3720899 is about 1928.9631930133. The cubic root of 3720899 is about 154.9586986732.

The spelling of 3720899 in words is "three million, seven hundred twenty thousand, eight hundred ninety-nine".