349887903 has 8 divisors (see below), whose sum is σ = 466983600. Its totient is φ = 233025408.

The previous prime is 349887859. The next prime is 349887949. The reversal of 349887903 is 309788943.

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

It is not a de Polignac number, because 349887903 - 2¹⁶ = 349822367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349887403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54768 + ... + 60821.

It is an arithmetic number, because the mean of its divisors is an integer number (58372950).

Almost surely, 2^349887903 is an apocalyptic number.

349887903 is a deficient number, since it is larger than the sum of its proper divisors (117095697).

349887903 is a wasteful number, since it uses less digits than its factorization.

349887903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116601.

The product of its (nonzero) digits is 1306368, while the sum is 51.

The square root of 349887903 is about 18705.2907756068. The cubic root of 349887903 is about 704.6546288828.

The spelling of 349887903 in words is "three hundred forty-nine million, eight hundred eighty-seven thousand, nine hundred three".