349808871 has 8 divisors (see below), whose sum is σ = 466671744. Its totient is φ = 233075960.

The previous prime is 349808839. The next prime is 349808903. The reversal of 349808871 is 178808943.

It is an interprime number because it is at equal distance from previous prime (349808839) and next prime (349808903).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 349808871 - 2⁵ = 349808839 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 349808871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349808971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26025 + ... + 37106.

It is an arithmetic number, because the mean of its divisors is an integer number (58333968).

Almost surely, 2^349808871 is an apocalyptic number.

349808871 is a deficient number, since it is larger than the sum of its proper divisors (116862873).

349808871 is a wasteful number, since it uses less digits than its factorization.

349808871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64981.

The product of its (nonzero) digits is 387072, while the sum is 48.

The square root of 349808871 is about 18703.1780989221. The cubic root of 349808871 is about 704.6015695480.

The spelling of 349808871 in words is "three hundred forty-nine million, eight hundred eight thousand, eight hundred seventy-one".