4428747 has 6 divisors (see below), whose sum is σ = 6397092. Its totient is φ = 2952492.

The previous prime is 4428737. The next prime is 4428751. The reversal of 4428747 is 7478244.

It is not a de Polignac number, because 4428747 - 2⁸ = 4428491 is a prime.

It is a super-2 number, since 2×4428747² = 39227599980018, which contains 22 as substring.

4428747 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4428737) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 246033 + ... + 246050.

It is an arithmetic number, because the mean of its divisors is an integer number (1066182).

Almost surely, 2^4428747 is an apocalyptic number.

4428747 is a deficient number, since it is larger than the sum of its proper divisors (1968345).

4428747 is a wasteful number, since it uses less digits than its factorization.

4428747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492089 (or 492086 counting only the distinct ones).

The product of its digits is 50176, while the sum is 36.

The square root of 4428747 is about 2104.4588378013. The cubic root of 4428747 is about 164.2203438183.

The spelling of 4428747 in words is "four million, four hundred twenty-eight thousand, seven hundred forty-seven".