3648380 has 24 divisors (see below), whose sum is σ = 8065680. Its totient is φ = 1382400.

The previous prime is 3648343. The next prime is 3648391. The reversal of 3648380 is 838463.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4421 + ... + 5180.

It is an arithmetic number, because the mean of its divisors is an integer number (336070).

Almost surely, 2^3648380 is an apocalyptic number.

It is an amenable number.

3648380 is an abundant number, since it is smaller than the sum of its proper divisors (4417300).

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

3648380 is a wasteful number, since it uses less digits than its factorization.

3648380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9629 (or 9627 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 3648380 is about 1910.0732970229. The cubic root of 3648380 is about 153.9453902059.

It can be divided in two parts, 36483 and 80, that added together give a palindrome (36563).

The spelling of 3648380 in words is "three million, six hundred forty-eight thousand, three hundred eighty".