299693953 has 6 divisors (see below), whose sum is σ = 324520854. Its totient is φ = 276640416.

The previous prime is 299693929. The next prime is 299693971. The reversal of 299693953 is 359396992.

It can be written as a sum of positive squares in 3 ways, for example, as 3268864 + 296425089 = 1808^2 + 17217^2 .

It is not a de Polignac number, because 299693953 - 2⁵ = 299693921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 299693894 and 299693903.

It is not an unprimeable number, because it can be changed into a prime (299693923) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 886500 + ... + 886837.

It is an arithmetic number, because the mean of its divisors is an integer number (54086809).

Almost surely, 2^299693953 is an apocalyptic number.

It is an amenable number.

299693953 is a deficient number, since it is larger than the sum of its proper divisors (24826901).

299693953 is a wasteful number, since it uses less digits than its factorization.

299693953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1773363 (or 1773350 counting only the distinct ones).

The product of its digits is 3542940, while the sum is 55.

The square root of 299693953 is about 17311.6710054229. The cubic root of 299693953 is about 669.2052304657.

It can be divided in two parts, 2996939 and 53, that added together give a palindrome (2996992).

The spelling of 299693953 in words is "two hundred ninety-nine million, six hundred ninety-three thousand, nine hundred fifty-three".