347273444 has 48 divisors (see below), whose sum is σ = 714274176. Its totient is φ = 144633600.

The previous prime is 347273441. The next prime is 347273447. The reversal of 347273444 is 444372743.

It is an interprime number because it is at equal distance from previous prime (347273441) and next prime (347273447).

It is a super-2 number, since 2×347273444² = 241197689815242272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 347273398 and 347273407.

It is not an unprimeable number, because it can be changed into a prime (347273441) 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, 427799 + ... + 428609.

It is an arithmetic number, because the mean of its divisors is an integer number (14880712).

Almost surely, 2^347273444 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 347273444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (357137088).

347273444 is an abundant number, since it is smaller than the sum of its proper divisors (367000732).

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

347273444 is a wasteful number, since it uses less digits than its factorization.

347273444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236 (or 1234 counting only the distinct ones).

The product of its digits is 225792, while the sum is 38.

The square root of 347273444 is about 18635.2741863381. The cubic root of 347273444 is about 702.8951144152.

The spelling of 347273444 in words is "three hundred forty-seven million, two hundred seventy-three thousand, four hundred forty-four".