349431854 has 8 divisors (see below), whose sum is σ = 524466840. Its totient is φ = 174609576.

The previous prime is 349431839. The next prime is 349431871. The reversal of 349431854 is 458134943.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49004 + ... + 55679.

It is an arithmetic number, because the mean of its divisors is an integer number (65558355).

Almost surely, 2^349431854 is an apocalyptic number.

349431854 is a deficient number, since it is larger than the sum of its proper divisors (175034986).

349431854 is a wasteful number, since it uses less digits than its factorization.

349431854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106354.

The product of its digits is 207360, while the sum is 41.

The square root of 349431854 is about 18693.0964262211. The cubic root of 349431854 is about 704.3483433956.

The spelling of 349431854 in words is "three hundred forty-nine million, four hundred thirty-one thousand, eight hundred fifty-four".