4640265 has 24 divisors (see below), whose sum is σ = 9192768. Its totient is φ = 2121120.

The previous prime is 4640249. The next prime is 4640267. The reversal of 4640265 is 5620464.

It is a happy number.

It is not a de Polignac number, because 4640265 - 2⁴ = 4640249 is a prime.

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (4640267) 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, 7051 + ... + 7680.

It is an arithmetic number, because the mean of its divisors is an integer number (383032).

Almost surely, 2^4640265 is an apocalyptic number.

4640265 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4640265 is a deficient number, since it is larger than the sum of its proper divisors (4552503).

4640265 is a wasteful number, since it uses less digits than its factorization.

4640265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14749 (or 14746 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 4640265 is about 2154.1274335563. The cubic root of 4640265 is about 166.7941935077.

The spelling of 4640265 in words is "four million, six hundred forty thousand, two hundred sixty-five".