349473236 has 24 divisors (see below), whose sum is σ = 702011520. Its totient is φ = 149117472.

The previous prime is 349473227. The next prime is 349473259. The reversal of 349473236 is 632374943.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 349473193 and 349473202.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 20840 + ... + 33663.

It is an arithmetic number, because the mean of its divisors is an integer number (29250480).

Almost surely, 2^349473236 is an apocalyptic number.

It is an amenable number.

349473236 is an abundant number, since it is smaller than the sum of its proper divisors (352538284).

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

349473236 is a wasteful number, since it uses less digits than its factorization.

349473236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54743 (or 54741 counting only the distinct ones).

The product of its digits is 326592, while the sum is 41.

The square root of 349473236 is about 18694.2032726725. The cubic root of 349473236 is about 704.3761468068.

It can be divided in two parts, 34947 and 3236, that added together give a palindrome (38183).

The spelling of 349473236 in words is "three hundred forty-nine million, four hundred seventy-three thousand, two hundred thirty-six".