368999999 has 4 divisors (see below), whose sum is σ = 369152520. Its totient is φ = 368847480.

The previous prime is 368999933. The next prime is 369000029. The reversal of 368999999 is 999999863.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 999999863 = 25303 ⋅39521.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-368999999 is a prime.

It is a Duffinian number.

368999999 is a modest number, since divided by 99999 gives 3689 as remainder.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (368999299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72572 + ... + 77489.

It is an arithmetic number, because the mean of its divisors is an integer number (92288130).

Almost surely, 2^368999999 is an apocalyptic number.

368999999 is a deficient number, since it is larger than the sum of its proper divisors (152521).

368999999 is a wasteful number, since it uses less digits than its factorization.

368999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152520.

The product of its digits is 76527504, while the sum is 71.

The square root of 368999999 is about 19209.3726862696. The cubic root of 368999999 is about 717.2580893610.

The spelling of 368999999 in words is "three hundred sixty-eight million, nine hundred ninety-nine thousand, nine hundred ninety-nine".