4890428 has 12 divisors (see below), whose sum is σ = 8610672. Its totient is φ = 2430240.

The previous prime is 4890419. The next prime is 4890481. The reversal of 4890428 is 8240984.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2993 + ... + 4328.

It is an arithmetic number, because the mean of its divisors is an integer number (717556).

Almost surely, 2^4890428 is an apocalyptic number.

It is an amenable number.

4890428 is a deficient number, since it is larger than the sum of its proper divisors (3720244).

4890428 is a wasteful number, since it uses less digits than its factorization.

4890428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7492 (or 7490 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 4890428 is about 2211.4312107773. The cubic root of 4890428 is about 169.7392542523.

The spelling of 4890428 in words is "four million, eight hundred ninety thousand, four hundred twenty-eight".