3453920 has 24 divisors (see below), whose sum is σ = 8160264. Its totient is φ = 1381504.

The previous prime is 3453833. The next prime is 3453943. The reversal of 3453920 is 293543.

3453920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3453920.

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, 10634 + ... + 10953.

It is an arithmetic number, because the mean of its divisors is an integer number (340011).

Almost surely, 2^3453920 is an apocalyptic number.

It is an amenable number.

3453920 is an abundant number, since it is smaller than the sum of its proper divisors (4706344).

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

3453920 is a wasteful number, since it uses less digits than its factorization.

3453920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21602 (or 21594 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 3453920 is about 1858.4724910528. The cubic root of 3453920 is about 151.1601884677.

The spelling of 3453920 in words is "three million, four hundred fifty-three thousand, nine hundred twenty".