3507949 has 2 divisors, whose sum is σ = 3507950. Its totient is φ = 3507948.

The previous prime is 3507941. The next prime is 3507953. The reversal of 3507949 is 9497053.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2592100 + 915849 = 1610^2 + 957^2 .

It is a cyclic number.

It is not a de Polignac number, because 3507949 - 2³ = 3507941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3507941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1753974 + 1753975.

It is an arithmetic number, because the mean of its divisors is an integer number (1753975).

Almost surely, 2^3507949 is an apocalyptic number.

It is an amenable number.

3507949 is a deficient number, since it is larger than the sum of its proper divisors (1).

3507949 is an equidigital number, since it uses as much as digits as its factorization.

3507949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 3507949 is about 1872.9519481289. The cubic root of 3507949 is about 151.9443038093.

The spelling of 3507949 in words is "three million, five hundred seven thousand, nine hundred forty-nine".