349951849 has 9 divisors (see below), whose sum is σ = 379205463. Its totient is φ = 322807992.

The previous prime is 349951843. The next prime is 349951871. The reversal of 349951849 is 948159943.

The square root of 349951849 is 18707.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 51768025 + 298183824 = 7195^2 + 17268^2 .

It is not a de Polignac number, because 349951849 - 2¹⁵ = 349919081 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 349951796 and 349951805.

It is not an unprimeable number, because it can be changed into a prime (349951843) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 242472 + ... + 243910.

Almost surely, 2^349951849 is an apocalyptic number.

349951849 is the 18707-th square number.

349951849 is the 9354-th centered octagonal number.

It is an amenable number.

349951849 is a deficient number, since it is larger than the sum of its proper divisors (29253614).

349951849 is an frugal number, since it uses more digits than its factorization.

349951849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2904 (or 1452 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 52.

The cubic root of 349951849 is about 704.6975541547.

The spelling of 349951849 in words is "three hundred forty-nine million, nine hundred fifty-one thousand, eight hundred forty-nine".