349087275 has 18 divisors (see below), whose sum is σ = 625254500. Its totient is φ = 186179760.

The previous prime is 349087273. The next prime is 349087289. The reversal of 349087275 is 572780943.

It is not a de Polignac number, because 349087275 - 2¹ = 349087273 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 349087275.

It is not an unprimeable number, because it can be changed into a prime (349087273) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 775525 + ... + 775974.

Almost surely, 2^349087275 is an apocalyptic number.

349087275 is a deficient number, since it is larger than the sum of its proper divisors (276167225).

349087275 is a wasteful number, since it uses less digits than its factorization.

349087275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1551515 (or 1551507 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 349087275 is about 18683.8774080757. The cubic root of 349087275 is about 704.1167450964.

The spelling of 349087275 in words is "three hundred forty-nine million, eighty-seven thousand, two hundred seventy-five".