4506840 has 160 divisors (see below), whose sum is σ = 16465680. Its totient is φ = 1099008.

The previous prime is 4506791. The next prime is 4506841. The reversal of 4506840 is 486054.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4506841) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 42067 + ... + 42173.

Almost surely, 2^4506840 is an apocalyptic number.

4506840 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 4506840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8232840).

4506840 is an abundant number, since it is smaller than the sum of its proper divisors (11958840).

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

4506840 is a wasteful number, since it uses less digits than its factorization.

4506840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 4506840 is about 2122.9319348486. The cubic root of 4506840 is about 165.1799689221.

The spelling of 4506840 in words is "four million, five hundred six thousand, eight hundred forty".