4548990 has 32 divisors (see below), whose sum is σ = 11127456. Its totient is φ = 1189760.

The previous prime is 4548983. The next prime is 4549003. The reversal of 4548990 is 998454.

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 15 ways as a sum of consecutive naturals, for example, 160 + ... + 3020.

It is an arithmetic number, because the mean of its divisors is an integer number (347733).

Almost surely, 2^4548990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4548990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5563728).

4548990 is an abundant number, since it is smaller than the sum of its proper divisors (6578466).

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

4548990 is a wasteful number, since it uses less digits than its factorization.

4548990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2924.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 4548990 is about 2132.8361399789. The cubic root of 4548990 is about 165.6933177281.

The spelling of 4548990 in words is "four million, five hundred forty-eight thousand, nine hundred ninety".