4521366 has 32 divisors (see below), whose sum is σ = 10159200. Its totient is φ = 1490400.

The previous prime is 4521359. The next prime is 4521367. The reversal of 4521366 is 6631254.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4521367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5040 + ... + 5868.

It is an arithmetic number, because the mean of its divisors is an integer number (317475).

Almost surely, 2^4521366 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4521366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5079600).

4521366 is an abundant number, since it is smaller than the sum of its proper divisors (5637834).

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

4521366 is a wasteful number, since it uses less digits than its factorization.

4521366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941 (or 935 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 4521366 is about 2126.3503944553. The cubic root of 4521366 is about 165.3572425028.

The spelling of 4521366 in words is "four million, five hundred twenty-one thousand, three hundred sixty-six".