299887380 has 96 divisors (see below), whose sum is σ = 1004774400. Its totient is φ = 73816704.

The previous prime is 299887351. The next prime is 299887391. The reversal of 299887380 is 83788992.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14340 + ... + 28379.

It is an arithmetic number, because the mean of its divisors is an integer number (10466400).

Almost surely, 2^299887380 is an apocalyptic number.

299887380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

299887380 is an abundant number, since it is smaller than the sum of its proper divisors (704887020).

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

299887380 is a wasteful number, since it uses less digits than its factorization.

299887380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42750 (or 42742 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 54.

The square root of 299887380 is about 17317.2567111538. The cubic root of 299887380 is about 669.3491712213.

The spelling of 299887380 in words is "two hundred ninety-nine million, eight hundred eighty-seven thousand, three hundred eighty".