3722897 has 4 divisors (see below), whose sum is σ = 3809520. Its totient is φ = 3636276.

The previous prime is 3722893. The next prime is 3722899. The reversal of 3722897 is 7982273.

3722897 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 Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3722897 - 2² = 3722893 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3722897.

It is not an unprimeable number, because it can be changed into a prime (3722893) 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, 43247 + ... + 43332.

It is an arithmetic number, because the mean of its divisors is an integer number (952380).

Almost surely, 2^3722897 is an apocalyptic number.

It is an amenable number.

3722897 is a deficient number, since it is larger than the sum of its proper divisors (86623).

3722897 is an equidigital number, since it uses as much as digits as its factorization.

3722897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86622.

The product of its digits is 42336, while the sum is 38.

The square root of 3722897 is about 1929.4810183052. The cubic root of 3722897 is about 154.9864296132.

The spelling of 3722897 in words is "three million, seven hundred twenty-two thousand, eight hundred ninety-seven".