349189896 has 32 divisors (see below), whose sum is σ = 952336800. Its totient is φ = 105815040.

The previous prime is 349189891. The next prime is 349189903. The reversal of 349189896 is 698981943.

It is not an unprimeable number, because it can be changed into a prime (349189891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 661081 + ... + 661608.

It is an arithmetic number, because the mean of its divisors is an integer number (29760525).

Almost surely, 2^349189896 is an apocalyptic number.

It is an amenable number.

349189896 is an abundant number, since it is smaller than the sum of its proper divisors (603146904).

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

349189896 is a wasteful number, since it uses less digits than its factorization.

349189896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322709 (or 1322705 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 57.

The square root of 349189896 is about 18686.6234510144. The cubic root of 349189896 is about 704.1857346112.

The spelling of 349189896 in words is "three hundred forty-nine million, one hundred eighty-nine thousand, eight hundred ninety-six".