768209338 has 16 divisors (see below), whose sum is σ = 1294909056. Its totient is φ = 339142320.

The previous prime is 768209303. The next prime is 768209339. The reversal of 768209338 is 833902867.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (768209339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 641718 + ... + 642913.

It is an arithmetic number, because the mean of its divisors is an integer number (80931816).

Almost surely, 2^768209338 is an apocalyptic number.

768209338 is a deficient number, since it is larger than the sum of its proper divisors (526699718).

768209338 is a wasteful number, since it uses less digits than its factorization.

768209338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284669.

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 768209338 is about 27716.5895809712. The cubic root of 768209338 is about 915.8545921054.

The spelling of 768209338 in words is "seven hundred sixty-eight million, two hundred nine thousand, three hundred thirty-eight".