299999947 has 8 divisors (see below), whose sum is σ = 325403120. Its totient is φ = 274929120.

The previous prime is 299999939. The next prime is 299999957. The reversal of 299999947 is 749999992.

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

It is a cyclic number.

It is not a de Polignac number, because 299999947 - 2³ = 299999939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (299999957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81204 + ... + 84817.

It is an arithmetic number, because the mean of its divisors is an integer number (40675390).

Almost surely, 2^299999947 is an apocalyptic number.

299999947 is a deficient number, since it is larger than the sum of its proper divisors (25403173).

299999947 is a wasteful number, since it uses less digits than its factorization.

299999947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166173.

The product of its digits is 29760696, while the sum is 67.

The square root of 299999947 is about 17320.5065457105. The cubic root of 299999947 is about 669.4329106600.

The spelling of 299999947 in words is "two hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred forty-seven".