3550540 has 36 divisors (see below), whose sum is σ = 8675856. Its totient is φ = 1216992.

The previous prime is 3550537. The next prime is 3550541. The reversal of 3550540 is 450553.

It is a happy number.

3550540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3550541) 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 11 ways as a sum of consecutive naturals, for example, 832 + ... + 2791.

It is an arithmetic number, because the mean of its divisors is an integer number (240996).

Almost surely, 2^3550540 is an apocalyptic number.

It is an amenable number.

3550540 is an abundant number, since it is smaller than the sum of its proper divisors (5125316).

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

3550540 is a wasteful number, since it uses less digits than its factorization.

3550540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3646 (or 3637 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 3550540 is about 1884.2876638136. The cubic root of 3550540 is about 152.5567646783.

It can be divided in two parts, 35 and 50540, that multiplied together give a square (1768900 = 1330²).

The spelling of 3550540 in words is "three million, five hundred fifty thousand, five hundred forty".