4640214 has 16 divisors (see below), whose sum is σ = 9321840. Its totient is φ = 1539840.

The previous prime is 4640213. The next prime is 4640221. The reversal of 4640214 is 4120464.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4640213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159 + ... + 3050.

It is an arithmetic number, because the mean of its divisors is an integer number (582615).

Almost surely, 2^4640214 is an apocalyptic number.

4640214 is an abundant number, since it is smaller than the sum of its proper divisors (4681626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4640214 is a wasteful number, since it uses less digits than its factorization.

4640214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3455.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 4640214 is about 2154.1155957840. The cubic root of 4640214 is about 166.7935824409.

Adding to 4640214 its reverse (4120464), we get a palindrome (8760678).

The spelling of 4640214 in words is "four million, six hundred forty thousand, two hundred fourteen".