359969999 has 4 divisors (see below), whose sum is σ = 360747936. Its totient is φ = 359192064.

The previous prime is 359969989. The next prime is 359970001. The reversal of 359969999 is 999969953.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 999969953 = 7547 ⋅132499.

It is a cyclic number.

It is not a de Polignac number, because 359969999 - 2¹⁶ = 359904463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (359969989) 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 3 ways as a sum of consecutive naturals, for example, 388274 + ... + 389199.

It is an arithmetic number, because the mean of its divisors is an integer number (90186984).

Almost surely, 2^359969999 is an apocalyptic number.

359969999 is a deficient number, since it is larger than the sum of its proper divisors (777937).

359969999 is an equidigital number, since it uses as much as digits as its factorization.

359969999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777936.

The product of its digits is 47829690, while the sum is 68.

The square root of 359969999 is about 18972.8753487709. The cubic root of 359969999 is about 711.3588991720.

The spelling of 359969999 in words is "three hundred fifty-nine million, nine hundred sixty-nine thousand, nine hundred ninety-nine".