299739970 has 16 divisors (see below), whose sum is σ = 548377848. Its totient is φ = 117930240.

The previous prime is 299739941. The next prime is 299739989. The reversal of 299739970 is 79937992.

It is a Cunningham number, because it is equal to 17313²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 107889769 + 191850201 = 10387^2 + 13851^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245079 + ... + 246298.

Almost surely, 2^299739970 is an apocalyptic number.

299739970 is a deficient number, since it is larger than the sum of its proper divisors (248637878).

299739970 is a wasteful number, since it uses less digits than its factorization.

299739970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491445.

The product of its (nonzero) digits is 1928934, while the sum is 55.

The square root of 299739970 is about 17313.0000288800. Note that the first 4 decimals coincide. The cubic root of 299739970 is about 669.2394801181.

The spelling of 299739970 in words is "two hundred ninety-nine million, seven hundred thirty-nine thousand, nine hundred seventy".