391059068 has 12 divisors (see below), whose sum is σ = 702849672. Its totient is φ = 190244880.

The previous prime is 391059049. The next prime is 391059073. The reversal of 391059068 is 860950193.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1320998 + ... + 1321293.

It is an arithmetic number, because the mean of its divisors is an integer number (58570806).

Almost surely, 2^391059068 is an apocalyptic number.

It is an amenable number.

391059068 is a deficient number, since it is larger than the sum of its proper divisors (311790604).

391059068 is a wasteful number, since it uses less digits than its factorization.

391059068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2642332 (or 2642330 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 391059068 is about 19775.2134754596. The cubic root of 391059068 is about 731.2751017949.

The spelling of 391059068 in words is "three hundred ninety-one million, fifty-nine thousand, sixty-eight".