3387931 has 2 divisors, whose sum is σ = 3387932. Its totient is φ = 3387930.

The previous prime is 3387911. The next prime is 3387949. The reversal of 3387931 is 1397833.

It is a strong prime.

It is an emirp because it is prime and its reverse (1397833) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3387931 - 2⁵ = 3387899 is a prime.

It is a super-2 number, since 2×3387931² = 22956152921522, which contains 22 as substring.

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, 1693965 + 1693966.

It is an arithmetic number, because the mean of its divisors is an integer number (1693966).

Almost surely, 2^3387931 is an apocalyptic number.

3387931 is a deficient number, since it is larger than the sum of its proper divisors (1).

3387931 is an equidigital number, since it uses as much as digits as its factorization.

3387931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 34.

The square root of 3387931 is about 1840.6333149218. The cubic root of 3387931 is about 150.1913262284.

The spelling of 3387931 in words is "three million, three hundred eighty-seven thousand, nine hundred thirty-one".