4640033 has 4 divisors (see below), whose sum is σ = 4667028. Its totient is φ = 4613040.

The previous prime is 4640017. The next prime is 4640057. The reversal of 4640033 is 3300464.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4133089 + 506944 = 2033^2 + 712^2 .

It is a cyclic number.

It is not a de Polignac number, because 4640033 - 2⁴ = 4640017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4639987 and 4640014.

It is not an unprimeable number, because it can be changed into a prime (4640003) 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, 13238 + ... + 13583.

It is an arithmetic number, because the mean of its divisors is an integer number (1166757).

Almost surely, 2^4640033 is an apocalyptic number.

It is an amenable number.

4640033 is a deficient number, since it is larger than the sum of its proper divisors (26995).

4640033 is a wasteful number, since it uses less digits than its factorization.

4640033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26994.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 4640033 is about 2154.0735827729. The cubic root of 4640033 is about 166.7914137169.

Adding to 4640033 its reverse (3300464), we get a palindrome (7940497).

The spelling of 4640033 in words is "four million, six hundred forty thousand, thirty-three".