3549980 has 24 divisors (see below), whose sum is σ = 8520288. Its totient is φ = 1217088.

The previous prime is 3549967. The next prime is 3549983. The reversal of 3549980 is 899453.

3549980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3549983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12539 + ... + 12818.

It is an arithmetic number, because the mean of its divisors is an integer number (355012).

Almost surely, 2^3549980 is an apocalyptic number.

It is an amenable number.

3549980 is an abundant number, since it is smaller than the sum of its proper divisors (4970308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3549980 is a wasteful number, since it uses less digits than its factorization.

3549980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25373 (or 25371 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 3549980 is about 1884.1390606853. The cubic root of 3549980 is about 152.5487437124.

The spelling of 3549980 in words is "three million, five hundred forty-nine thousand, nine hundred eighty".