4428780 has 48 divisors (see below), whose sum is σ = 12493824. Its totient is φ = 1172160.

The previous prime is 4428773. The next prime is 4428817. The reversal of 4428780 is 878244.

It is a super-2 number, since 2×4428780² = 39228184576800, which contains 22 as substring.

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, 13215 + ... + 13545.

It is an arithmetic number, because the mean of its divisors is an integer number (260288).

Almost surely, 2^4428780 is an apocalyptic number.

It is an amenable number.

4428780 is an abundant number, since it is smaller than the sum of its proper divisors (8065044).

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

4428780 is a wasteful number, since it uses less digits than its factorization.

4428780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566 (or 564 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 4428780 is about 2104.4666782822. The cubic root of 4428780 is about 164.2207517033.

The spelling of 4428780 in words is "four million, four hundred twenty-eight thousand, seven hundred eighty".