3961137 has 4 divisors (see below), whose sum is σ = 5281520. Its totient is φ = 2640756.

The previous prime is 3961121. The next prime is 3961147. The reversal of 3961137 is 7311693.

3961137 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 not a de Polignac number, because 3961137 - 2⁴ = 3961121 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3961147) 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, 660187 + ... + 660192.

It is an arithmetic number, because the mean of its divisors is an integer number (1320380).

Almost surely, 2^3961137 is an apocalyptic number.

It is an amenable number.

3961137 is a deficient number, since it is larger than the sum of its proper divisors (1320383).

3961137 is a wasteful number, since it uses less digits than its factorization.

3961137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320382.

The product of its digits is 3402, while the sum is 30.

The square root of 3961137 is about 1990.2605357088. The cubic root of 3961137 is about 158.2243381593.

The spelling of 3961137 in words is "three million, nine hundred sixty-one thousand, one hundred thirty-seven".