349162878 has 16 divisors (see below), whose sum is σ = 703825920. Its totient is φ = 115470936.

The previous prime is 349162873. The next prime is 349162897. The reversal of 349162878 is 878261943.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349162873) 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, 228348 + ... + 229871.

It is an arithmetic number, because the mean of its divisors is an integer number (43989120).

Almost surely, 2^349162878 is an apocalyptic number.

349162878 is an abundant number, since it is smaller than the sum of its proper divisors (354663042).

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

349162878 is a wasteful number, since it uses less digits than its factorization.

349162878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458351.

The product of its digits is 580608, while the sum is 48.

The square root of 349162878 is about 18685.9005134888. The cubic root of 349162878 is about 704.1675724010.

The spelling of 349162878 in words is "three hundred forty-nine million, one hundred sixty-two thousand, eight hundred seventy-eight".