4644684 has 72 divisors (see below), whose sum is σ = 13195728. Its totient is φ = 1365120.

The previous prime is 4644677. The next prime is 4644691. The reversal of 4644684 is 4864464.

4644684 is a `hidden beast` number, since 4 + 644 + 6 + 8 + 4 = 666.

4644684 is an esthetic number in base 7, because in such base its adjacent digits differ by 1.

It is an interprime number because it is at equal distance from previous prime (4644677) and next prime (4644691).

It is a Harshad number since it is a multiple of its sum of digits (36).

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 23 ways as a sum of consecutive naturals, for example, 14494 + ... + 14810.

It is an arithmetic number, because the mean of its divisors is an integer number (183274).

Almost surely, 2^4644684 is an apocalyptic number.

4644684 is a gapful number since it is divisible by the number (44) 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 4644684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6597864).

4644684 is an abundant number, since it is smaller than the sum of its proper divisors (8551044).

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

4644684 is a wasteful number, since it uses less digits than its factorization.

4644684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375 (or 370 counting only the distinct ones).

The product of its digits is 73728, while the sum is 36.

The square root of 4644684 is about 2155.1528948082. The cubic root of 4644684 is about 166.8471236523.

The spelling of 4644684 in words is "four million, six hundred forty-four thousand, six hundred eighty-four".