299622380 has 48 divisors (see below), whose sum is σ = 658977984. Its totient is φ = 114216960.

The previous prime is 299622373. The next prime is 299622443. The reversal of 299622380 is 83226992.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142940 + ... + 145020.

It is an arithmetic number, because the mean of its divisors is an integer number (13728708).

Almost surely, 2^299622380 is an apocalyptic number.

299622380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 299622380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (329488992).

299622380 is an abundant number, since it is smaller than the sum of its proper divisors (359355604).

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

299622380 is a wasteful number, since it uses less digits than its factorization.

299622380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2426 (or 2424 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 299622380 is about 17309.6036927481. The cubic root of 299622380 is about 669.1519529595.

The spelling of 299622380 in words is "two hundred ninety-nine million, six hundred twenty-two thousand, three hundred eighty".