4640111 has 8 divisors (see below), whose sum is σ = 5474304. Its totient is φ = 3848760.

The previous prime is 4640081. The next prime is 4640113. The reversal of 4640111 is 1110464.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4640111 - 2²² = 445807 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4640111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4640113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10475 + ... + 10908.

It is an arithmetic number, because the mean of its divisors is an integer number (684288).

Almost surely, 2^4640111 is an apocalyptic number.

4640111 is a deficient number, since it is larger than the sum of its proper divisors (834193).

4640111 is a wasteful number, since it uses less digits than its factorization.

4640111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21421.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 4640111 is about 2154.0916879279. The cubic root of 4640111 is about 166.7923483120.

Adding to 4640111 its reverse (1110464), we get a palindrome (5750575).

The spelling of 4640111 in words is "four million, six hundred forty thousand, one hundred eleven".