3549328 has 20 divisors (see below), whose sum is σ = 7281900. Its totient is φ = 1670144.

The previous prime is 3549323. The next prime is 3549331. The reversal of 3549328 is 8239453.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2408704 + 1140624 = 1552^2 + 1068^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 3549293 and 3549302.

It is not an unprimeable number, because it can be changed into a prime (3549323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6253 + ... + 6796.

It is an arithmetic number, because the mean of its divisors is an integer number (364095).

Almost surely, 2^3549328 is an apocalyptic number.

It is an amenable number.

3549328 is an abundant number, since it is smaller than the sum of its proper divisors (3732572).

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

3549328 is a wasteful number, since it uses less digits than its factorization.

3549328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13074 (or 13068 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

The square root of 3549328 is about 1883.9660294177. The cubic root of 3549328 is about 152.5394039537.

The spelling of 3549328 in words is "three million, five hundred forty-nine thousand, three hundred twenty-eight".