4450920 has 64 divisors (see below), whose sum is σ = 13824000. Its totient is φ = 1145088.

The previous prime is 4450913. The next prime is 4450931. The reversal of 4450920 is 290544.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2841 + ... + 4119.

It is an arithmetic number, because the mean of its divisors is an integer number (216000).

Almost surely, 2^4450920 is an apocalyptic number.

4450920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4450920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6912000).

4450920 is an abundant number, since it is smaller than the sum of its proper divisors (9373080).

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

4450920 is a wasteful number, since it uses less digits than its factorization.

4450920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322 (or 1318 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 4450920 is about 2109.7203606165. The cubic root of 4450920 is about 164.4939500058.

The spelling of 4450920 in words is "four million, four hundred fifty thousand, nine hundred twenty".