4388428 has 18 divisors (see below), whose sum is σ = 8442308. Its totient is φ = 1994520.

The previous prime is 4388413. The next prime is 4388429. The reversal of 4388428 is 8248834.

It is a super-2 number, since 2×4388428² = 38516600622368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4388429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4050 + ... + 5017.

Almost surely, 2^4388428 is an apocalyptic number.

It is an amenable number.

4388428 is a deficient number, since it is larger than the sum of its proper divisors (4053880).

4388428 is a wasteful number, since it uses less digits than its factorization.

4388428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9093 (or 9080 counting only the distinct ones).

The product of its digits is 49152, while the sum is 37.

The square root of 4388428 is about 2094.8575130543. The cubic root of 4388428 is about 163.7204736694.

The spelling of 4388428 in words is "four million, three hundred eighty-eight thousand, four hundred twenty-eight".