4640259 has 16 divisors (see below), whose sum is σ = 6820352. Its totient is φ = 2788128.

The previous prime is 4640249. The next prime is 4640267. The reversal of 4640259 is 9520464.

It is not a de Polignac number, because 4640259 - 2⁷ = 4640131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4640249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294 + ... + 3060.

It is an arithmetic number, because the mean of its divisors is an integer number (426272).

Almost surely, 2^4640259 is an apocalyptic number.

4640259 is a deficient number, since it is larger than the sum of its proper divisors (2180093).

4640259 is a wasteful number, since it uses less digits than its factorization.

4640259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2826.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 4640259 is about 2154.1260408806. The cubic root of 4640259 is about 166.7941216177.

The spelling of 4640259 in words is "four million, six hundred forty thousand, two hundred fifty-nine".