349908988 has 24 divisors (see below), whose sum is σ = 719394480. Its totient is φ = 146814720.

The previous prime is 349908971. The next prime is 349909033. The reversal of 349908988 is 889809943.

349908988 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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, 305293 + ... + 306436.

It is an arithmetic number, because the mean of its divisors is an integer number (29974770).

Almost surely, 2^349908988 is an apocalyptic number.

It is an amenable number.

349908988 is an abundant number, since it is smaller than the sum of its proper divisors (369485492).

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

349908988 is a wasteful number, since it uses less digits than its factorization.

349908988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611757 (or 611755 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 58.

The square root of 349908988 is about 18705.8543777075. The cubic root of 349908988 is about 704.6687832680.

The spelling of 349908988 in words is "three hundred forty-nine million, nine hundred eight thousand, nine hundred eighty-eight".