4428715 has 12 divisors (see below), whose sum is σ = 5470416. Its totient is φ = 3441888.

The previous prime is 4428713. The next prime is 4428737. The reversal of 4428715 is 5178244.

It is not a de Polignac number, because 4428715 - 2¹ = 4428713 is a prime.

It is a super-2 number, since 2×4428715² = 39227033102450, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4428713) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6522 + ... + 7168.

It is an arithmetic number, because the mean of its divisors is an integer number (455868).

Almost surely, 2^4428715 is an apocalyptic number.

4428715 is a deficient number, since it is larger than the sum of its proper divisors (1041701).

4428715 is an equidigital number, since it uses as much as digits as its factorization.

4428715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726 (or 689 counting only the distinct ones).

The product of its digits is 8960, while the sum is 31.

The square root of 4428715 is about 2104.4512348829. The cubic root of 4428715 is about 164.2199482916.

The spelling of 4428715 in words is "four million, four hundred twenty-eight thousand, seven hundred fifteen".