349351854 has 32 divisors (see below), whose sum is σ = 723296256. Its totient is φ = 112402080.

The previous prime is 349351843. The next prime is 349351859. The reversal of 349351854 is 458153943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349351859) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 21999 + ... + 34389.

It is an arithmetic number, because the mean of its divisors is an integer number (22603008).

Almost surely, 2^349351854 is an apocalyptic number.

349351854 is an abundant number, since it is smaller than the sum of its proper divisors (373944402).

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

349351854 is a wasteful number, since it uses less digits than its factorization.

349351854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12560.

The product of its digits is 259200, while the sum is 42.

The square root of 349351854 is about 18690.9564763283. The cubic root of 349351854 is about 704.2945874033.

The spelling of 349351854 in words is "three hundred forty-nine million, three hundred fifty-one thousand, eight hundred fifty-four".