3455280 has 60 divisors (see below), whose sum is σ = 11606400. Its totient is φ = 921216.

The previous prime is 3455269. The next prime is 3455281. The reversal of 3455280 is 825543.

3455280 = T₂₅₃ + T₂₅₄ + ... + T₃₃₂.

3455280 is a `hidden beast` number, since 34 + 552 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is not an unprimeable number, because it can be changed into a prime (3455281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1680 + ... + 3119.

It is an arithmetic number, because the mean of its divisors is an integer number (193440).

Almost surely, 2^3455280 is an apocalyptic number.

3455280 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3455280 is an abundant number, since it is smaller than the sum of its proper divisors (8151120).

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

3455280 is a wasteful number, since it uses less digits than its factorization.

3455280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4818 (or 4809 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 3455280 is about 1858.8383469253. The cubic root of 3455280 is about 151.1800259161.

It can be divided in two parts, 345 and 5280, that added together give a square (5625 = 75²).

The spelling of 3455280 in words is "three million, four hundred fifty-five thousand, two hundred eighty".