3455540 has 48 divisors (see below), whose sum is σ = 8043840. Its totient is φ = 1236480.

The previous prime is 3455533. The next prime is 3455561. The reversal of 3455540 is 455543.

3455540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 24791 + ... + 24929.

It is an arithmetic number, because the mean of its divisors is an integer number (167580).

Almost surely, 2^3455540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3455540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4021920).

3455540 is an abundant number, since it is smaller than the sum of its proper divisors (4588300).

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

3455540 is a wasteful number, since it uses less digits than its factorization.

3455540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272 (or 270 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 3455540 is about 1858.9082817611. The cubic root of 3455540 is about 151.1838177768.

It can be divided in two parts, 345 and 5540, that added together give a palindrome (5885).

The spelling of 3455540 in words is "three million, four hundred fifty-five thousand, five hundred forty".