349027272 has 128 divisors (see below), whose sum is σ = 1120003200. Its totient is φ = 99532800.

The previous prime is 349027271. The next prime is 349027291. The reversal of 349027272 is 272720943.

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 (349027271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36072 + ... + 44712.

It is an arithmetic number, because the mean of its divisors is an integer number (8750025).

Almost surely, 2^349027272 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 349027272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (560001600).

349027272 is an abundant number, since it is smaller than the sum of its proper divisors (770975928).

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

349027272 is a wasteful number, since it uses less digits than its factorization.

349027272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8684 (or 8674 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 349027272 is about 18682.2715963557. The cubic root of 349027272 is about 704.0764003259.

The spelling of 349027272 in words is "three hundred forty-nine million, twenty-seven thousand, two hundred seventy-two".