349129284 has 24 divisors (see below), whose sum is σ = 931011648. Its totient is φ = 99751200.

The previous prime is 349129273. The next prime is 349129307. The reversal of 349129284 is 482921943.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2078067 + ... + 2078234.

It is an arithmetic number, because the mean of its divisors is an integer number (38792152).

Almost surely, 2^349129284 is an apocalyptic number.

It is an amenable number.

349129284 is an abundant number, since it is smaller than the sum of its proper divisors (581882364).

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

349129284 is a wasteful number, since it uses less digits than its factorization.

349129284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4156315 (or 4156313 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 349129284 is about 18685.0015788065. The cubic root of 349129284 is about 704.1449883238.

The spelling of 349129284 in words is "three hundred forty-nine million, one hundred twenty-nine thousand, two hundred eighty-four".