349232878 has 4 divisors (see below), whose sum is σ = 523849320. Its totient is φ = 174616438.

The previous prime is 349232867. The next prime is 349232903. The reversal of 349232878 is 878232943.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87308218 + ... + 87308221.

It is an arithmetic number, because the mean of its divisors is an integer number (130962330).

Almost surely, 2^349232878 is an apocalyptic number.

349232878 is a deficient number, since it is larger than the sum of its proper divisors (174616442).

349232878 is a wasteful number, since it uses less digits than its factorization.

349232878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174616441.

The product of its digits is 580608, while the sum is 46.

The square root of 349232878 is about 18687.7734896375. The cubic root of 349232878 is about 704.2146263115.

The spelling of 349232878 in words is "three hundred forty-nine million, two hundred thirty-two thousand, eight hundred seventy-eight".