3545120 has 24 divisors (see below), whose sum is σ = 8375724. Its totient is φ = 1417984.

The previous prime is 3545119. The next prime is 3545123. The reversal of 3545120 is 215453.

It can be written as a sum of positive squares in 2 ways, for example, as 3489424 + 55696 = 1868^2 + 236^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 3545092 and 3545101.

It is not an unprimeable number, because it can be changed into a prime (3545123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10919 + ... + 11238.

Almost surely, 2^3545120 is an apocalyptic number.

It is an amenable number.

3545120 is an abundant number, since it is smaller than the sum of its proper divisors (4830604).

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

3545120 is a wasteful number, since it uses less digits than its factorization.

3545120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22172 (or 22164 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 3545120 is about 1882.8489052497. The cubic root of 3545120 is about 152.4790977354.

The spelling of 3545120 in words is "three million, five hundred forty-five thousand, one hundred twenty".