4428787 has 8 divisors (see below), whose sum is σ = 4847472. Its totient is φ = 4012800.

The previous prime is 4428773. The next prime is 4428817. The reversal of 4428787 is 7878244.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4428787 - 2¹¹ = 4426739 is a prime.

It is a super-2 number, since 2×4428787² = 39228308582738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4428737) 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 7 ways as a sum of consecutive naturals, for example, 4587 + ... + 5467.

It is an arithmetic number, because the mean of its divisors is an integer number (605934).

Almost surely, 2^4428787 is an apocalyptic number.

4428787 is a deficient number, since it is larger than the sum of its proper divisors (418685).

4428787 is a wasteful number, since it uses less digits than its factorization.

4428787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349.

The product of its digits is 100352, while the sum is 40.

The square root of 4428787 is about 2104.4683414107. The cubic root of 4428787 is about 164.2208382241.

It can be divided in two parts, 442 and 8787, that added together give a palindrome (9229).

The spelling of 4428787 in words is "four million, four hundred twenty-eight thousand, seven hundred eighty-seven".