349964897 has 2 divisors, whose sum is σ = 349964898. Its totient is φ = 349964896.

The previous prime is 349964863. The next prime is 349964903. The reversal of 349964897 is 798469943.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 222636241 + 127328656 = 14921^2 + 11284^2 .

It is a cyclic number.

It is not a de Polignac number, because 349964897 - 2¹⁸ = 349702753 is a prime.

It is not a weakly prime, because it can be changed into another prime (349964597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174982448 + 174982449.

It is an arithmetic number, because the mean of its divisors is an integer number (174982449).

Almost surely, 2^349964897 is an apocalyptic number.

It is an amenable number.

349964897 is a deficient number, since it is larger than the sum of its proper divisors (1).

349964897 is an equidigital number, since it uses as much as digits as its factorization.

349964897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11757312, while the sum is 59.

The square root of 349964897 is about 18707.3487432078. The cubic root of 349964897 is about 704.7063122924.

It can be divided in two parts, 34996 and 4897, that added together give a palindrome (39893).

The spelling of 349964897 in words is "three hundred forty-nine million, nine hundred sixty-four thousand, eight hundred ninety-seven".