349741647 has 24 divisors (see below), whose sum is σ = 516441744. Its totient is φ = 227994624.

The previous prime is 349741619. The next prime is 349741681. The reversal of 349741647 is 746147943.

It is not a de Polignac number, because 349741647 - 2⁶ = 349741583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349740647) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 164463 + ... + 166575.

It is an arithmetic number, because the mean of its divisors is an integer number (21518406).

Almost surely, 2^349741647 is an apocalyptic number.

349741647 is a deficient number, since it is larger than the sum of its proper divisors (166700097).

349741647 is a wasteful number, since it uses less digits than its factorization.

349741647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2519 (or 2516 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 349741647 is about 18701.3808848438. The cubic root of 349741647 is about 704.5564314032.

The spelling of 349741647 in words is "three hundred forty-nine million, seven hundred forty-one thousand, six hundred forty-seven".