3549987 has 24 divisors (see below), whose sum is σ = 6080256. Its totient is φ = 2027592.

The previous prime is 3549983. The next prime is 3550007. The reversal of 3549987 is 7899453.

3549987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3549987 - 2² = 3549983 is a prime.

It is a d-powerful number, because it can be written as 3¹³ + 5⁹ + 4⁵ + 9³ + 9³ + 8 + 7² .

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 23 ways as a sum of consecutive naturals, for example, 658 + ... + 2744.

It is an arithmetic number, because the mean of its divisors is an integer number (253344).

Almost surely, 2^3549987 is an apocalyptic number.

3549987 is a deficient number, since it is larger than the sum of its proper divisors (2530269).

3549987 is an equidigital number, since it uses as much as digits as its factorization.

3549987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2109 (or 2097 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 3549987 is about 1884.1409182967. The cubic root of 3549987 is about 152.5488439797.

The spelling of 3549987 in words is "three million, five hundred forty-nine thousand, nine hundred eighty-seven".