349543512 has 160 divisors (see below), whose sum is σ = 1045440000. Its totient is φ = 108858816.

The previous prime is 349543499. The next prime is 349543531. The reversal of 349543512 is 215345943.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 700239 + ... + 700737.

It is an arithmetic number, because the mean of its divisors is an integer number (6534000).

Almost surely, 2^349543512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 349543512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (522720000).

349543512 is an abundant number, since it is smaller than the sum of its proper divisors (695896488).

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

349543512 is a wasteful number, since it uses less digits than its factorization.

349543512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587 (or 574 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 349543512 is about 18696.0827982762. The cubic root of 349543512 is about 704.4233582624.

The spelling of 349543512 in words is "three hundred forty-nine million, five hundred forty-three thousand, five hundred twelve".