4988090 has 16 divisors (see below), whose sum is σ = 9102888. Its totient is φ = 1967616.

The previous prime is 4988077. The next prime is 4988099. The reversal of 4988090 is 908894.

It can be written as a sum of positive squares in 4 ways, for example, as 3200521 + 1787569 = 1789^2 + 1337^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4988099) 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 7 ways as a sum of consecutive naturals, for example, 2687 + ... + 4146.

Almost surely, 2^4988090 is an apocalyptic number.

4988090 is a deficient number, since it is larger than the sum of its proper divisors (4114798).

4988090 is a wasteful number, since it uses less digits than its factorization.

4988090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6913.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 4988090 is about 2233.4032327370. The cubic root of 4988090 is about 170.8617146316.

The spelling of 4988090 in words is "four million, nine hundred eighty-eight thousand, ninety".