3550949 has 2 divisors, whose sum is σ = 3550950. Its totient is φ = 3550948.

The previous prime is 3550931. The next prime is 3550979. The reversal of 3550949 is 9490553.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3541924 + 9025 = 1882^2 + 95^2 .

It is an emirp because it is prime and its reverse (9490553) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3550949 - 2⁸ = 3550693 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3550979) 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, 1775474 + 1775475.

It is an arithmetic number, because the mean of its divisors is an integer number (1775475).

Almost surely, 2^3550949 is an apocalyptic number.

It is an amenable number.

3550949 is a deficient number, since it is larger than the sum of its proper divisors (1).

3550949 is an equidigital number, since it uses as much as digits as its factorization.

3550949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24300, while the sum is 35.

The square root of 3550949 is about 1884.3961897648. The cubic root of 3550949 is about 152.5626223151.

The spelling of 3550949 in words is "three million, five hundred fifty thousand, nine hundred forty-nine".