348799905 has 16 divisors (see below), whose sum is σ = 620088960. Its totient is φ = 186026544.

The previous prime is 348799903. The next prime is 348799909. The reversal of 348799905 is 509997843.

348799905 = 2035² + 2036² + ... + 2115².

It is not a de Polignac number, because 348799905 - 2¹ = 348799903 is a prime.

It is a super-2 number, since 2×348799905² = 243322747456018050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (348799901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1291717 + ... + 1291986.

It is an arithmetic number, because the mean of its divisors is an integer number (38755560).

Almost surely, 2^348799905 is an apocalyptic number.

It is an amenable number.

348799905 is a deficient number, since it is larger than the sum of its proper divisors (271289055).

348799905 is a wasteful number, since it uses less digits than its factorization.

348799905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2583717 (or 2583711 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 54.

The square root of 348799905 is about 18676.1855045403. The cubic root of 348799905 is about 703.9234815089.

The spelling of 348799905 in words is "three hundred forty-eight million, seven hundred ninety-nine thousand, nine hundred five".