4491960 has 128 divisors (see below), whose sum is σ = 15240960. Its totient is φ = 1049600.

The previous prime is 4491953. The next prime is 4491989. The reversal of 4491960 is 691944.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54079 + ... + 54161.

It is an arithmetic number, because the mean of its divisors is an integer number (119070).

Almost surely, 2^4491960 is an apocalyptic number.

4491960 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 4491960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7620480).

4491960 is an abundant number, since it is smaller than the sum of its proper divisors (10749000).

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

4491960 is a wasteful number, since it uses less digits than its factorization.

4491960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 4491960 is about 2119.4244501751. The cubic root of 4491960 is about 164.9979797732.

The spelling of 4491960 in words is "four million, four hundred ninety-one thousand, nine hundred sixty".