4988790 has 48 divisors (see below), whose sum is σ = 13457808. Its totient is φ = 1329696.

The previous prime is 4988761. The next prime is 4988831. The reversal of 4988790 is 978894.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon 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 23 ways as a sum of consecutive naturals, for example, 1404 + ... + 3456.

It is an arithmetic number, because the mean of its divisors is an integer number (280371).

Almost surely, 2^4988790 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4988790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6728904).

4988790 is an abundant number, since it is smaller than the sum of its proper divisors (8469018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4988790 is a wasteful number, since it uses less digits than its factorization.

4988790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2075 (or 2063 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 4988790 is about 2233.5599387525. The cubic root of 4988790 is about 170.8697068427.

It can be divided in two parts, 4988 and 790, that added together give a triangular number (5778 = T₁₀₇).

The spelling of 4988790 in words is "four million, nine hundred eighty-eight thousand, seven hundred ninety".