299821042 has 8 divisors (see below), whose sum is σ = 449822556. Its totient is φ = 149880192.

The previous prime is 299821033. The next prime is 299821051. The reversal of 299821042 is 240128992.

It is an interprime number because it is at equal distance from previous prime (299821033) and next prime (299821051).

It can be written as a sum of positive squares in 2 ways, for example, as 286997481 + 12823561 = 16941^2 + 3581^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 299820992 and 299821010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378 + ... + 24490.

Almost surely, 2^299821042 is an apocalyptic number.

299821042 is a deficient number, since it is larger than the sum of its proper divisors (150001514).

299821042 is a wasteful number, since it uses less digits than its factorization.

299821042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30332.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 299821042 is about 17315.3412325602. The cubic root of 299821042 is about 669.2998120698.

The spelling of 299821042 in words is "two hundred ninety-nine million, eight hundred twenty-one thousand, forty-two".