3549939 has 8 divisors (see below), whose sum is σ = 4777920. Its totient is φ = 2344296.

The previous prime is 3549913. The next prime is 3549947. The reversal of 3549939 is 9399453.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3549939 - 2⁷ = 3549811 is a prime.

3549939 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3549939.

It is not an unprimeable number, because it can be changed into a prime (3549839) 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 in 7 ways as a sum of consecutive naturals, for example, 5209 + ... + 5850.

It is an arithmetic number, because the mean of its divisors is an integer number (597240).

Almost surely, 2^3549939 is an apocalyptic number.

3549939 is a deficient number, since it is larger than the sum of its proper divisors (1227981).

3549939 is a wasteful number, since it uses less digits than its factorization.

3549939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11169.

The product of its digits is 131220, while the sum is 42.

The square root of 3549939 is about 1884.1281803529. The cubic root of 3549939 is about 152.5481564300.

The spelling of 3549939 in words is "three million, five hundred forty-nine thousand, nine hundred thirty-nine".