3659280 has 80 divisors (see below), whose sum is σ = 11546880. Its totient is φ = 958464.

The previous prime is 3659273. The next prime is 3659303. The reversal of 3659280 is 829563.

It is a happy number.

3659280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

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 15 ways as a sum of consecutive naturals, for example, 18864 + ... + 19056.

It is an arithmetic number, because the mean of its divisors is an integer number (144336).

Almost surely, 2^3659280 is an apocalyptic number.

3659280 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3659280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5773440).

3659280 is an abundant number, since it is smaller than the sum of its proper divisors (7887600).

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

3659280 is a wasteful number, since it uses less digits than its factorization.

3659280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 3659280 is about 1912.9244627010. The cubic root of 3659280 is about 154.0985482685.

The spelling of 3659280 in words is "three million, six hundred fifty-nine thousand, two hundred eighty".