3549620 has 12 divisors (see below), whose sum is σ = 7454244. Its totient is φ = 1419840.

The previous prime is 3549619. The next prime is 3549631. The reversal of 3549620 is 269453.

3549620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1926544 + 1623076 = 1388^2 + 1274^2 .

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 88721 + ... + 88760.

It is an arithmetic number, because the mean of its divisors is an integer number (621187).

Almost surely, 2^3549620 is an apocalyptic number.

It is an amenable number.

3549620 is an abundant number, since it is smaller than the sum of its proper divisors (3904624).

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

3549620 is a wasteful number, since it uses less digits than its factorization.

3549620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177490 (or 177488 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 3549620 is about 1884.0435239134. The cubic root of 3549620 is about 152.5435869318.

The spelling of 3549620 in words is "three million, five hundred forty-nine thousand, six hundred twenty".