349259235 has 64 divisors (see below), whose sum is σ = 640120320. Its totient is φ = 161187840.

The previous prime is 349259233. The next prime is 349259257. The reversal of 349259235 is 532952943.

349259235 is a nontrivial binomial coefficient, being equal to C(26430, 2).

It is not a de Polignac number, because 349259235 - 2¹ = 349259233 is a prime.

It is a super-3 number, since 3×349259235³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (349259233) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 395995 + ... + 396875.

It is an arithmetic number, because the mean of its divisors is an integer number (10001880).

Almost surely, 2^349259235 is an apocalyptic number.

349259235 is the 26429-th triangular number and also the 13215-th hexagonal number.

349259235 is a deficient number, since it is larger than the sum of its proper divisors (290861085).

349259235 is a wasteful number, since it uses less digits than its factorization.

349259235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028.

The product of its digits is 291600, while the sum is 42.

The square root of 349259235 is about 18688.4786700256. The cubic root of 349259235 is about 704.2323418237.

The spelling of 349259235 in words is "three hundred forty-nine million, two hundred fifty-nine thousand, two hundred thirty-five".