34640203 has 16 divisors (see below), whose sum is σ = 40473216. Its totient is φ = 29352960.

The previous prime is 34640201. The next prime is 34640227. The reversal of 34640203 is 30204643.

It is not a de Polignac number, because 34640203 - 2¹ = 34640201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34640201) 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, 7150 + ... + 10972.

It is an arithmetic number, because the mean of its divisors is an integer number (2529576).

Almost surely, 2^34640203 is an apocalyptic number.

34640203 is a deficient number, since it is larger than the sum of its proper divisors (5833013).

34640203 is a wasteful number, since it uses less digits than its factorization.

34640203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3894.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 34640203 is about 5885.5928333516. The cubic root of 34640203 is about 325.9818920525.

Adding to 34640203 its reverse (30204643), we get a palindrome (64844846).

It can be divided in two parts, 34640 and 203, that added together give a palindrome (34843).

The spelling of 34640203 in words is "thirty-four million, six hundred forty thousand, two hundred three".