3387949 has 2 divisors, whose sum is σ = 3387950. Its totient is φ = 3387948.

The previous prime is 3387931. The next prime is 3387961. The reversal of 3387949 is 9497833.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1716100 + 1671849 = 1310^2 + 1293^2 .

It is a cyclic number.

It is not a de Polignac number, because 3387949 - 2⁷ = 3387821 is a prime.

It is a super-2 number, since 2×3387949² = 22956396853202, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3387749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1693974 + 1693975.

It is an arithmetic number, because the mean of its divisors is an integer number (1693975).

Almost surely, 2^3387949 is an apocalyptic number.

It is an amenable number.

3387949 is a deficient number, since it is larger than the sum of its proper divisors (1).

3387949 is an equidigital number, since it uses as much as digits as its factorization.

3387949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 43.

The square root of 3387949 is about 1840.6382045367. The cubic root of 3387949 is about 150.1915922157.

The spelling of 3387949 in words is "three million, three hundred eighty-seven thousand, nine hundred forty-nine".