349019712 has 56 divisors (see below), whose sum is σ = 1026058400. Its totient is φ = 116339328.

The previous prime is 349019711. The next prime is 349019717. The reversal of 349019712 is 217910943.

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

It is not an unprimeable number, because it can be changed into a prime (349019711) by changing a digit.

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, 99262 + ... + 102717.

Almost surely, 2^349019712 is an apocalyptic number.

349019712 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

349019712 is an abundant number, since it is smaller than the sum of its proper divisors (677038688).

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

349019712 is a wasteful number, since it uses less digits than its factorization.

349019712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202000 (or 201984 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 349019712 is about 18682.0692644043. The cubic root of 349019712 is about 704.0713168110.

The spelling of 349019712 in words is "three hundred forty-nine million, nineteen thousand, seven hundred twelve".