348009026 has 16 divisors (see below), whose sum is σ = 533979960. Its totient is φ = 170052480.

The previous prime is 348009017. The next prime is 348009037. The reversal of 348009026 is 620900843.

It is a Cunningham number, because it is equal to 18655²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 101989801 + 246019225 = 10099^2 + 15685^2 .

It is a super-2 number, since 2×348009026² = 242220564354937352, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 348008983 and 348009001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10070 + ... + 28238.

Almost surely, 2^348009026 is an apocalyptic number.

348009026 is a deficient number, since it is larger than the sum of its proper divisors (185970934).

348009026 is a wasteful number, since it uses less digits than its factorization.

348009026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18389.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 348009026 is about 18655.0000268025. Note that the first 4 decimals coincide. The cubic root of 348009026 is about 703.3910467279.

Adding to 348009026 its reverse (620900843), we get a palindrome (968909869).

The spelling of 348009026 in words is "three hundred forty-eight million, nine thousand, twenty-six".