349516801 has 4 divisors (see below), whose sum is σ = 352910272. Its totient is φ = 346123332.

The previous prime is 349516733. The next prime is 349516807. The reversal of 349516801 is 108615943.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 108615943 = 9973 ⋅10891.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-349516801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349516807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1696581 + ... + 1696786.

It is an arithmetic number, because the mean of its divisors is an integer number (88227568).

Almost surely, 2^349516801 is an apocalyptic number.

It is an amenable number.

349516801 is a deficient number, since it is larger than the sum of its proper divisors (3393471).

349516801 is a wasteful number, since it uses less digits than its factorization.

349516801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3393470.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 349516801 is about 18695.3684371290. The cubic root of 349516801 is about 704.4054145434.

The spelling of 349516801 in words is "three hundred forty-nine million, five hundred sixteen thousand, eight hundred one".