349816956 has 24 divisors (see below), whose sum is σ = 864254160. Its totient is φ = 109746432.

The previous prime is 349816921. The next prime is 349816969. The reversal of 349816956 is 659618943.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 349816899 and 349816908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 857191 + ... + 857598.

It is an arithmetic number, because the mean of its divisors is an integer number (36010590).

Almost surely, 2^349816956 is an apocalyptic number.

It is an amenable number.

349816956 is an abundant number, since it is smaller than the sum of its proper divisors (514437204).

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

349816956 is a wasteful number, since it uses less digits than its factorization.

349816956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714813 (or 1714811 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 51.

The square root of 349816956 is about 18703.3942374105. The cubic root of 349816956 is about 704.6069979026.

The spelling of 349816956 in words is "three hundred forty-nine million, eight hundred sixteen thousand, nine hundred fifty-six".