349894134 has 16 divisors (see below), whose sum is σ = 777542640. Its totient is φ = 116631360.

The previous prime is 349894133. The next prime is 349894141. The reversal of 349894134 is 431498943.

It is a happy number.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 349894134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349894133) 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, 3239707 + ... + 3239814.

It is an arithmetic number, because the mean of its divisors is an integer number (48596415).

Almost surely, 2^349894134 is an apocalyptic number.

349894134 is an abundant number, since it is smaller than the sum of its proper divisors (427648506).

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

349894134 is a wasteful number, since it uses less digits than its factorization.

349894134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6479532 (or 6479526 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 349894134 is about 18705.4573320194. The cubic root of 349894134 is about 704.6588118196.

The spelling of 349894134 in words is "three hundred forty-nine million, eight hundred ninety-four thousand, one hundred thirty-four".