3387961 has 2 divisors, whose sum is σ = 3387962. Its totient is φ = 3387960.

The previous prime is 3387949. The next prime is 3387971. The reversal of 3387961 is 1697833.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3367225 + 20736 = 1835^2 + 144^2 .

It is an emirp because it is prime and its reverse (1697833) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3387961 - 2¹⁵ = 3355193 is a prime.

It is a super-2 number, since 2×3387961² = 22956559475042, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3387961.

It is not a weakly prime, because it can be changed into another prime (3387911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1693980 + 1693981.

It is an arithmetic number, because the mean of its divisors is an integer number (1693981).

Almost surely, 2^3387961 is an apocalyptic number.

It is an amenable number.

3387961 is a deficient number, since it is larger than the sum of its proper divisors (1).

3387961 is an equidigital number, since it uses as much as digits as its factorization.

3387961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 37.

The square root of 3387961 is about 1840.6414642727. The cubic root of 3387961 is about 150.1917695400.

The spelling of 3387961 in words is "three million, three hundred eighty-seven thousand, nine hundred sixty-one".