349764871 has 2 divisors, whose sum is σ = 349764872. Its totient is φ = 349764870.

The previous prime is 349764799. The next prime is 349764889. The reversal of 349764871 is 178467943.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 349764871 - 2¹³ = 349756679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349762871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174882435 + 174882436.

It is an arithmetic number, because the mean of its divisors is an integer number (174882436).

Almost surely, 2^349764871 is an apocalyptic number.

349764871 is a deficient number, since it is larger than the sum of its proper divisors (1).

349764871 is an equidigital number, since it uses as much as digits as its factorization.

349764871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1016064, while the sum is 49.

The square root of 349764871 is about 18702.0017912522. The cubic root of 349764871 is about 704.5720260157.

The spelling of 349764871 in words is "three hundred forty-nine million, seven hundred sixty-four thousand, eight hundred seventy-one".