4428742 has 16 divisors (see below), whose sum is σ = 7096320. Its totient is φ = 2067912.

The previous prime is 4428737. The next prime is 4428751. The reversal of 4428742 is 2478244.

It is a super-2 number, since 2×4428742² = 39227511405128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 859 + ... + 3097.

It is an arithmetic number, because the mean of its divisors is an integer number (443520).

Almost surely, 2^4428742 is an apocalyptic number.

4428742 is a deficient number, since it is larger than the sum of its proper divisors (2667578).

4428742 is a wasteful number, since it uses less digits than its factorization.

4428742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2307.

The product of its digits is 14336, while the sum is 31.

The square root of 4428742 is about 2104.4576498471. The cubic root of 4428742 is about 164.2202820174.

The spelling of 4428742 in words is "four million, four hundred twenty-eight thousand, seven hundred forty-two".