299674993 has 2 divisors, whose sum is σ = 299674994. Its totient is φ = 299674992.

The previous prime is 299674939. The next prime is 299675017. The reversal of 299674993 is 399476992.

Together with previous prime (299674939) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 151979584 + 147695409 = 12328^2 + 12153^2 .

It is a cyclic number.

It is not a de Polignac number, because 299674993 - 2¹⁷ = 299543921 is a prime.

It is not a weakly prime, because it can be changed into another prime (299674913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149837496 + 149837497.

It is an arithmetic number, because the mean of its divisors is an integer number (149837497).

Almost surely, 2^299674993 is an apocalyptic number.

It is an amenable number.

299674993 is a deficient number, since it is larger than the sum of its proper divisors (1).

299674993 is an equidigital number, since it uses as much as digits as its factorization.

299674993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6613488, while the sum is 58.

The square root of 299674993 is about 17311.1233893124. The cubic root of 299674993 is about 669.1911178478.

The spelling of 299674993 in words is "two hundred ninety-nine million, six hundred seventy-four thousand, nine hundred ninety-three".