3549678 has 16 divisors (see below), whose sum is σ = 7744896. Its totient is φ = 1075640.

The previous prime is 3549677. The next prime is 3549683. The reversal of 3549678 is 8769453.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3549673) 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, 26826 + ... + 26957.

It is an arithmetic number, because the mean of its divisors is an integer number (484056).

Almost surely, 2^3549678 is an apocalyptic number.

3549678 is an abundant number, since it is smaller than the sum of its proper divisors (4195218).

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

3549678 is a wasteful number, since it uses less digits than its factorization.

3549678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53799.

The product of its digits is 181440, while the sum is 42.

The square root of 3549678 is about 1884.0589162762. The cubic root of 3549678 is about 152.5444177700.

The spelling of 3549678 in words is "three million, five hundred forty-nine thousand, six hundred seventy-eight".