3545440 has 24 divisors (see below), whose sum is σ = 8376480. Its totient is φ = 1418112.

The previous prime is 3545429. The next prime is 3545461. The reversal of 3545440 is 445453.

3545440 is digitally balanced in base 5, 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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10920 + ... + 11239.

It is an arithmetic number, because the mean of its divisors is an integer number (349020).

Almost surely, 2^3545440 is an apocalyptic number.

It is an amenable number.

3545440 is an abundant number, since it is smaller than the sum of its proper divisors (4831040).

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

3545440 is a wasteful number, since it uses less digits than its factorization.

3545440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22174 (or 22166 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 3545440 is about 1882.9338809422. The cubic root of 3545440 is about 152.4836854356.

The spelling of 3545440 in words is "three million, five hundred forty-five thousand, four hundred forty".