299050340 has 48 divisors (see below), whose sum is σ = 639887472. Its totient is φ = 117374976.

The previous prime is 299050307. The next prime is 299050343. The reversal of 299050340 is 43050992.

It can be written as a sum of positive squares in 8 ways, for example, as 23755876 + 275294464 = 4874^2 + 16592^2 .

It is a super-2 number, since 2×299050340² = 178862211708231200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 299050297 and 299050306.

It is not an unprimeable number, because it can be changed into a prime (299050343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 374822 + ... + 375618.

It is an arithmetic number, because the mean of its divisors is an integer number (13330989).

Almost surely, 2^299050340 is an apocalyptic number.

299050340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

299050340 is an abundant number, since it is smaller than the sum of its proper divisors (340837132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

299050340 is a wasteful number, since it uses less digits than its factorization.

299050340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136 (or 1134 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 299050340 is about 17293.0720232121. The cubic root of 299050340 is about 668.7258326492.

The spelling of 299050340 in words is "two hundred ninety-nine million, fifty thousand, three hundred forty".