3455320 has 32 divisors (see below), whose sum is σ = 8482320. Its totient is φ = 1256320.

The previous prime is 3455317. The next prime is 3455323. The reversal of 3455320 is 235543.

3455320 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3455317) and next prime (3455323).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 3455291 and 3455300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3455323) 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 7 ways as a sum of consecutive naturals, for example, 3487 + ... + 4366.

Almost surely, 2^3455320 is an apocalyptic number.

It is an amenable number.

3455320 is an abundant number, since it is smaller than the sum of its proper divisors (5027000).

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

3455320 is a wasteful number, since it uses less digits than its factorization.

3455320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7875 (or 7871 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 3455320 is about 1858.8491063021. The cubic root of 3455320 is about 151.1806092917.

It can be divided in two parts, 345 and 5320, that added together give a palindrome (5665).

The spelling of 3455320 in words is "three million, four hundred fifty-five thousand, three hundred twenty".