4646840 has 64 divisors (see below), whose sum is σ = 11664000. Its totient is φ = 1651840.

The previous prime is 4646821. The next prime is 4646857. The reversal of 4646840 is 486464.

It is a junction number, because it is equal to n+sod(n) for n = 4646797 and 4646806.

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, 25871 + ... + 26049.

It is an arithmetic number, because the mean of its divisors is an integer number (182250).

Almost surely, 2^4646840 is an apocalyptic number.

4646840 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 4646840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5832000).

4646840 is an abundant number, since it is smaller than the sum of its proper divisors (7017160).

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

4646840 is a wasteful number, since it uses less digits than its factorization.

4646840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 4646840 is about 2155.6530333057. The cubic root of 4646840 is about 166.8729357243.

The spelling of 4646840 in words is "four million, six hundred forty-six thousand, eight hundred forty".