368097991 has 8 divisors (see below), whose sum is σ = 396357840. Its totient is φ = 340572288.

The previous prime is 368097949. The next prime is 368097997. The reversal of 368097991 is 199790863.

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

It is not a de Polignac number, because 368097991 - 2¹⁷ = 367966919 is a prime.

It is a super-2 number, since 2×368097991² = 270992261956472162, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (368097997) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 182496 + ... + 184501.

It is an arithmetic number, because the mean of its divisors is an integer number (49544730).

Almost surely, 2^368097991 is an apocalyptic number.

368097991 is a deficient number, since it is larger than the sum of its proper divisors (28259849).

368097991 is a wasteful number, since it uses less digits than its factorization.

368097991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367073.

The product of its (nonzero) digits is 734832, while the sum is 52.

The square root of 368097991 is about 19185.8799902428. The cubic root of 368097991 is about 716.6731747982.

The spelling of 368097991 in words is "three hundred sixty-eight million, ninety-seven thousand, nine hundred ninety-one".