349781112 has 64 divisors (see below), whose sum is σ = 975549600. Its totient is φ = 116121600.

The previous prime is 349781063. The next prime is 349781119. The reversal of 349781112 is 211187943.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349781119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52362 + ... + 58662.

Almost surely, 2^349781112 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 349781112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (487774800).

349781112 is an abundant number, since it is smaller than the sum of its proper divisors (625768488).

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

349781112 is a wasteful number, since it uses less digits than its factorization.

349781112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6573 (or 6563 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 349781112 is about 18702.4359910681. The cubic root of 349781112 is about 704.5829312248.

The spelling of 349781112 in words is "three hundred forty-nine million, seven hundred eighty-one thousand, one hundred twelve".