4538428 has 6 divisors (see below), whose sum is σ = 7942256. Its totient is φ = 2269212.

The previous prime is 4538407. The next prime is 4538441. The reversal of 4538428 is 8248354.

It is a super-2 number, since 2×4538428² = 41194657422368, which contains 22 as substring.

It is a d-powerful number, because it can be written as 4⁸ + 5⁶ + 3⁵ + 8² + 4⁹ + 2²² + 8³ .

It is a junction number, because it is equal to n+sod(n) for n = 4538393 and 4538402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 567300 + ... + 567307.

Almost surely, 2^4538428 is an apocalyptic number.

It is an amenable number.

4538428 is a deficient number, since it is larger than the sum of its proper divisors (3403828).

4538428 is a wasteful number, since it uses less digits than its factorization.

4538428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134611 (or 1134609 counting only the distinct ones).

The product of its digits is 30720, while the sum is 34.

The square root of 4538428 is about 2130.3586552503. The cubic root of 4538428 is about 165.5649808873.

The spelling of 4538428 in words is "four million, five hundred thirty-eight thousand, four hundred twenty-eight".