349293892 has 12 divisors (see below), whose sum is σ = 611400636. Its totient is φ = 174608000.

The previous prime is 349293877. The next prime is 349293911. The reversal of 349293892 is 298392943.

It can be written as a sum of positive squares in 2 ways, for example, as 196672576 + 152621316 = 14024^2 + 12354^2 .

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 3 ways as a sum of consecutive naturals, for example, 21768 + ... + 34240.

It is an arithmetic number, because the mean of its divisors is an integer number (50950053).

Almost surely, 2^349293892 is an apocalyptic number.

It is an amenable number.

349293892 is a deficient number, since it is larger than the sum of its proper divisors (262106744).

349293892 is a wasteful number, since it uses less digits than its factorization.

349293892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19478 (or 19476 counting only the distinct ones).

The product of its digits is 839808, while the sum is 49.

The square root of 349293892 is about 18689.4058760572. The cubic root of 349293892 is about 704.2556347158.

The spelling of 349293892 in words is "three hundred forty-nine million, two hundred ninety-three thousand, eight hundred ninety-two".