4640235 has 32 divisors (see below), whose sum is σ = 8128512. Its totient is φ = 2250240.

The previous prime is 4640231. The next prime is 4640249. The reversal of 4640235 is 5320464.

It is not a de Polignac number, because 4640235 - 2² = 4640231 is a prime.

4640235 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4640231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7612 + ... + 8198.

It is an arithmetic number, because the mean of its divisors is an integer number (254016).

Almost surely, 2^4640235 is an apocalyptic number.

4640235 is a deficient number, since it is larger than the sum of its proper divisors (3488277).

4640235 is a wasteful number, since it uses less digits than its factorization.

4640235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 4640235 is about 2154.1204701687. The cubic root of 4640235 is about 166.7938340572.

Adding to 4640235 its reverse (5320464), we get a palindrome (9960699).

The spelling of 4640235 in words is "four million, six hundred forty thousand, two hundred thirty-five".