4640132 has 12 divisors (see below), whose sum is σ = 9280320. Its totient is φ = 1988616.

The previous prime is 4640131. The next prime is 4640137. The reversal of 4640132 is 2310464.

It is a happy number.

4640132 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (4640131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82832 + ... + 82887.

It is an arithmetic number, because the mean of its divisors is an integer number (773360).

Almost surely, 2^4640132 is an apocalyptic number.

It is an amenable number.

4640132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4640132 is a wasteful number, since it uses less digits than its factorization.

4640132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165730 (or 165728 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 4640132 is about 2154.0965623667. The cubic root of 4640132 is about 166.7925999320.

Adding to 4640132 its reverse (2310464), we get a palindrome (6950596).

The spelling of 4640132 in words is "four million, six hundred forty thousand, one hundred thirty-two".