299812380 has 72 divisors (see below), whose sum is σ = 976541328. Its totient is φ = 68527872.

The previous prime is 299812349. The next prime is 299812417. The reversal of 299812380 is 83218992.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48049 + ... + 53928.

It is an arithmetic number, because the mean of its divisors is an integer number (13563074).

Almost surely, 2^299812380 is an apocalyptic number.

299812380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

299812380 is an abundant number, since it is smaller than the sum of its proper divisors (676728948).

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

299812380 is a wasteful number, since it uses less digits than its factorization.

299812380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102003 (or 101994 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 299812380 is about 17315.0911057378. The cubic root of 299812380 is about 669.2933665239.

The spelling of 299812380 in words is "two hundred ninety-nine million, eight hundred twelve thousand, three hundred eighty".