349256203 has 4 divisors (see below), whose sum is σ = 353180520. Its totient is φ = 345331888.

The previous prime is 349256189. The next prime is 349256207. The reversal of 349256203 is 302652943.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302652943 = 83 ⋅3646421.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-349256203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349256207) 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 3 ways as a sum of consecutive naturals, for example, 1962025 + ... + 1962202.

It is an arithmetic number, because the mean of its divisors is an integer number (88295130).

Almost surely, 2^349256203 is an apocalyptic number.

349256203 is a deficient number, since it is larger than the sum of its proper divisors (3924317).

349256203 is an equidigital number, since it uses as much as digits as its factorization.

349256203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3924316.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 349256203 is about 18688.3975503519. The cubic root of 349256203 is about 704.2303039500.

It can be divided in two parts, 3492 and 56203, that added together give a palindrome (59695).

The spelling of 349256203 in words is "three hundred forty-nine million, two hundred fifty-six thousand, two hundred three".