349647573 has 16 divisors (see below), whose sum is σ = 509262336. Its totient is φ = 211622640.

The previous prime is 349647569. The next prime is 349647581. The reversal of 349647573 is 375746943.

It is not a de Polignac number, because 349647573 - 2² = 349647569 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349647503) 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, 19240 + ... + 32702.

It is an arithmetic number, because the mean of its divisors is an integer number (31828896).

Almost surely, 2^349647573 is an apocalyptic number.

349647573 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

349647573 is a deficient number, since it is larger than the sum of its proper divisors (159614763).

349647573 is a wasteful number, since it uses less digits than its factorization.

349647573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14264.

The product of its digits is 1905120, while the sum is 48.

The square root of 349647573 is about 18698.8655538244. The cubic root of 349647573 is about 704.4932548785.

The spelling of 349647573 in words is "three hundred forty-nine million, six hundred forty-seven thousand, five hundred seventy-three".