348731998 has 8 divisors (see below), whose sum is σ = 531673560. Its totient is φ = 171507480.

The previous prime is 348731987. The next prime is 348732031. The reversal of 348731998 is 899137843.

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

It is a super-2 number, since 2×348731998² = 243228012858144008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1429108 + ... + 1429351.

It is an arithmetic number, because the mean of its divisors is an integer number (66459195).

Almost surely, 2^348731998 is an apocalyptic number.

348731998 is a deficient number, since it is larger than the sum of its proper divisors (182941562).

348731998 is a wasteful number, since it uses less digits than its factorization.

348731998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2858522.

The product of its digits is 1306368, while the sum is 52.

The square root of 348731998 is about 18674.3674056178. The cubic root of 348731998 is about 703.8777968306.

The spelling of 348731998 in words is "three hundred forty-eight million, seven hundred thirty-one thousand, nine hundred ninety-eight".