349303963 has 4 divisors (see below), whose sum is σ = 349847848. Its totient is φ = 348760080.

The previous prime is 349303957. The next prime is 349303991. The reversal of 349303963 is 369303943.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 349303963 - 2²⁵ = 315749531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349303943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270978 + ... + 272263.

It is an arithmetic number, because the mean of its divisors is an integer number (87461962).

Almost surely, 2^349303963 is an apocalyptic number.

349303963 is a deficient number, since it is larger than the sum of its proper divisors (543885).

349303963 is an equidigital number, since it uses as much as digits as its factorization.

349303963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543884.

The product of its (nonzero) digits is 157464, while the sum is 40.

The square root of 349303963 is about 18689.6753048307. The cubic root of 349303963 is about 704.2624031235.

The spelling of 349303963 in words is "three hundred forty-nine million, three hundred three thousand, nine hundred sixty-three".