4644624 has 20 divisors (see below), whose sum is σ = 11998736. Its totient is φ = 1548192.

The previous prime is 4644623. The next prime is 4644631. The reversal of 4644624 is 4264464.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 4644591 and 4644600.

It is not an unprimeable number, because it can be changed into a prime (4644623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48334 + ... + 48429.

Almost surely, 2^4644624 is an apocalyptic number.

It is an amenable number.

4644624 is an abundant number, since it is smaller than the sum of its proper divisors (7354112).

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

4644624 is a wasteful number, since it uses less digits than its factorization.

4644624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96774 (or 96768 counting only the distinct ones).

The product of its digits is 18432, while the sum is 30.

The square root of 4644624 is about 2155.1389746371. The cubic root of 4644624 is about 166.8464052058.

The spelling of 4644624 in words is "four million, six hundred forty-four thousand, six hundred twenty-four".