3727961 has 2 divisors, whose sum is σ = 3727962. Its totient is φ = 3727960.

The previous prime is 3727951. The next prime is 3727991. The reversal of 3727961 is 1697273.

3727961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2689600 + 1038361 = 1640^2 + 1019^2 .

It is a cyclic number.

It is not a de Polignac number, because 3727961 - 2¹⁴ = 3711577 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3727951) 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 as a sum of consecutive naturals, namely, 1863980 + 1863981.

It is an arithmetic number, because the mean of its divisors is an integer number (1863981).

Almost surely, 2^3727961 is an apocalyptic number.

It is an amenable number.

3727961 is a deficient number, since it is larger than the sum of its proper divisors (1).

3727961 is an equidigital number, since it uses as much as digits as its factorization.

3727961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15876, while the sum is 35.

The square root of 3727961 is about 1930.7928423319. The cubic root of 3727961 is about 155.0566702250.

The spelling of 3727961 in words is "three million, seven hundred twenty-seven thousand, nine hundred sixty-one".