4509780 has 48 divisors (see below), whose sum is σ = 13777344. Its totient is φ = 1093120.

The previous prime is 4509779. The next prime is 4509793. The reversal of 4509780 is 879054.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2757 + ... + 4076.

It is an arithmetic number, because the mean of its divisors is an integer number (287028).

Almost surely, 2^4509780 is an apocalyptic number.

It is an amenable number.

4509780 is an abundant number, since it is smaller than the sum of its proper divisors (9267564).

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

4509780 is a wasteful number, since it uses less digits than its factorization.

4509780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6856 (or 6854 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 4509780 is about 2123.6242605508. The cubic root of 4509780 is about 165.2158790459.

The spelling of 4509780 in words is "four million, five hundred nine thousand, seven hundred eighty".