299138812 has 24 divisors (see below), whose sum is σ = 629767040. Its totient is φ = 121454640.

The previous prime is 299138797. The next prime is 299138813. The reversal of 299138812 is 218831992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (299138813) 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, 280614 + ... + 281677.

Almost surely, 2^299138812 is an apocalyptic number.

It is an amenable number.

299138812 is an abundant number, since it is smaller than the sum of its proper divisors (330628228).

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

299138812 is a wasteful number, since it uses less digits than its factorization.

299138812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562321 (or 562319 counting only the distinct ones).

The product of its digits is 62208, while the sum is 43.

The square root of 299138812 is about 17295.6298526535. The cubic root of 299138812 is about 668.7917721367.

The spelling of 299138812 in words is "two hundred ninety-nine million, one hundred thirty-eight thousand, eight hundred twelve".