349889277 has 4 divisors (see below), whose sum is σ = 466519040. Its totient is φ = 233259516.

The previous prime is 349889261. The next prime is 349889297. The reversal of 349889277 is 772988943.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 349889277 - 2⁴ = 349889261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349889227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58314877 + ... + 58314882.

It is an arithmetic number, because the mean of its divisors is an integer number (116629760).

Almost surely, 2^349889277 is an apocalyptic number.

It is an amenable number.

349889277 is a deficient number, since it is larger than the sum of its proper divisors (116629763).

349889277 is a wasteful number, since it uses less digits than its factorization.

349889277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116629762.

The product of its digits is 6096384, while the sum is 57.

The square root of 349889277 is about 18705.3275031473. The cubic root of 349889277 is about 704.6555512679.

The spelling of 349889277 in words is "three hundred forty-nine million, eight hundred eighty-nine thousand, two hundred seventy-seven".