349828949 has 2 divisors, whose sum is σ = 349828950. Its totient is φ = 349828948.

The previous prime is 349828939. The next prime is 349828957. The reversal of 349828949 is 949828943.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 344102500 + 5726449 = 18550^2 + 2393^2 .

It is a cyclic number.

It is not a de Polignac number, because 349828949 - 2¹⁶ = 349763413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 349828894 and 349828903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349828939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174914474 + 174914475.

It is an arithmetic number, because the mean of its divisors is an integer number (174914475).

Almost surely, 2^349828949 is an apocalyptic number.

It is an amenable number.

349828949 is a deficient number, since it is larger than the sum of its proper divisors (1).

349828949 is an equidigital number, since it uses as much as digits as its factorization.

349828949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4478976, while the sum is 56.

The square root of 349828949 is about 18703.7148449178. The cubic root of 349828949 is about 704.6150499757.

The spelling of 349828949 in words is "three hundred forty-nine million, eight hundred twenty-eight thousand, nine hundred forty-nine".