3549984 has 24 divisors (see below), whose sum is σ = 9318960. Its totient is φ = 1183296.

The previous prime is 3549983. The next prime is 3550007. The reversal of 3549984 is 4899453.

It is a tau number, because it is divible by the number of its divisors (24).

It is an Ulam number.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18394 + ... + 18585.

It is an arithmetic number, because the mean of its divisors is an integer number (388290).

Almost surely, 2^3549984 is an apocalyptic number.

It is an amenable number.

3549984 is an abundant number, since it is smaller than the sum of its proper divisors (5768976).

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

3549984 is a wasteful number, since it uses less digits than its factorization.

3549984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36992 (or 36984 counting only the distinct ones).

The product of its digits is 155520, while the sum is 42.

The square root of 3549984 is about 1884.1401221778. The cubic root of 3549984 is about 152.5488010080.

The spelling of 3549984 in words is "three million, five hundred forty-nine thousand, nine hundred eighty-four".