349543644 has 24 divisors (see below), whose sum is σ = 818782608. Its totient is φ = 116060160.

The previous prime is 349543633. The next prime is 349543669. The reversal of 349543644 is 446345943.

It is a junction number, because it is equal to n+sod(n) for n = 349543596 and 349543605.

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, 53587 + ... + 59754.

It is an arithmetic number, because the mean of its divisors is an integer number (34115942).

Almost surely, 2^349543644 is an apocalyptic number.

It is an amenable number.

349543644 is an abundant number, since it is smaller than the sum of its proper divisors (469238964).

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

349543644 is a wasteful number, since it uses less digits than its factorization.

349543644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113605 (or 113603 counting only the distinct ones).

The product of its digits is 622080, while the sum is 42.

The square root of 349543644 is about 18696.0863284271. The cubic root of 349543644 is about 704.4234469341.

The spelling of 349543644 in words is "three hundred forty-nine million, five hundred forty-three thousand, six hundred forty-four".