4644090 has 48 divisors (see below), whose sum is σ = 13175136. Its totient is φ = 1125600.

The previous prime is 4644061. The next prime is 4644097. The reversal of 4644090 is 904464.

It is not an unprimeable number, because it can be changed into a prime (4644097) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1356 + ... + 3335.

It is an arithmetic number, because the mean of its divisors is an integer number (274482).

Almost surely, 2^4644090 is an apocalyptic number.

4644090 is an abundant number, since it is smaller than the sum of its proper divisors (8531046).

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

4644090 is a wasteful number, since it uses less digits than its factorization.

4644090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4715 (or 4712 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 4644090 is about 2155.0150811537. The cubic root of 4644090 is about 166.8400107596.

It can be divided in two parts, 464 and 4090, that added together give a palindrome (4554).

The spelling of 4644090 in words is "four million, six hundred forty-four thousand, ninety".