349724259 has 24 divisors (see below), whose sum is σ = 519826320. Its totient is φ = 226404288.

The previous prime is 349724213. The next prime is 349724261. The reversal of 349724259 is 952427943.

It is not a de Polignac number, because 349724259 - 2¹⁵ = 349691491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (349724359) 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, 314797 + ... + 315905.

It is an arithmetic number, because the mean of its divisors is an integer number (21659430).

Almost surely, 2^349724259 is an apocalyptic number.

349724259 is a deficient number, since it is larger than the sum of its proper divisors (170102061).

349724259 is a wasteful number, since it uses less digits than its factorization.

349724259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2099 (or 2096 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 349724259 is about 18700.9159936084. The cubic root of 349724259 is about 704.5447551364.

The spelling of 349724259 in words is "three hundred forty-nine million, seven hundred twenty-four thousand, two hundred fifty-nine".