348729849 has 24 divisors (see below), whose sum is σ = 543218312. Its totient is φ = 214306560.

The previous prime is 348729839. The next prime is 348729851. The reversal of 348729849 is 948927843.

348729849 is a `hidden beast` number, since 348 + 7 + 298 + 4 + 9 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 37454400 + 311275449 = 6120^2 + 17643^2 .

It is not a de Polignac number, because 348729849 - 2⁵ = 348729817 is a prime.

It is a super-2 number, since 2×348729849² = 243225015167125602, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 348729795 and 348729804.

It is not an unprimeable number, because it can be changed into a prime (348729809) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108039 + ... + 111219.

Almost surely, 2^348729849 is an apocalyptic number.

348729849 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

348729849 is a deficient number, since it is larger than the sum of its proper divisors (194488463).

348729849 is a wasteful number, since it uses less digits than its factorization.

348729849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4137 (or 4134 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The square root of 348729849 is about 18674.3098667662. The cubic root of 348729849 is about 703.8763509864.

The spelling of 348729849 in words is "three hundred forty-eight million, seven hundred twenty-nine thousand, eight hundred forty-nine".