349887648 has 48 divisors (see below), whose sum is σ = 1001954016. Its totient is φ = 106026240.

The previous prime is 349887631. The next prime is 349887653. The reversal of 349887648 is 846788943.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164611 + ... + 166722.

It is an arithmetic number, because the mean of its divisors is an integer number (20874042).

Almost surely, 2^349887648 is an apocalyptic number.

It is an amenable number.

349887648 is an abundant number, since it is smaller than the sum of its proper divisors (652066368).

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

349887648 is a wasteful number, since it uses less digits than its factorization.

349887648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331357 (or 331349 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 57.

The square root of 349887648 is about 18705.2839593522. The cubic root of 349887648 is about 704.6544576975.

The spelling of 349887648 in words is "three hundred forty-nine million, eight hundred eighty-seven thousand, six hundred forty-eight".