4591840 has 48 divisors (see below), whose sum is σ = 11838960. Its totient is φ = 1669120.

The previous prime is 4591837. The next prime is 4591861. The reversal of 4591840 is 481954.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 456 + ... + 3064.

It is an arithmetic number, because the mean of its divisors is an integer number (246645).

Almost surely, 2^4591840 is an apocalyptic number.

4591840 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 4591840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5919480).

4591840 is an abundant number, since it is smaller than the sum of its proper divisors (7247120).

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

4591840 is a wasteful number, since it uses less digits than its factorization.

4591840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2635 (or 2627 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 4591840 is about 2142.8579047618. The cubic root of 4591840 is about 166.2119516448.

The spelling of 4591840 in words is "four million, five hundred ninety-one thousand, eight hundred forty".