299427340 has 48 divisors (see below), whose sum is σ = 659635200. Its totient is φ = 113952960.

The previous prime is 299427329. The next prime is 299427353. The reversal of 299427340 is 43724992.

It is a junction number, because it is equal to n+sod(n) for n = 299427293 and 299427302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89905 + ... + 93175.

It is an arithmetic number, because the mean of its divisors is an integer number (13742400).

Almost surely, 2^299427340 is an apocalyptic number.

299427340 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 299427340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (329817600).

299427340 is an abundant number, since it is smaller than the sum of its proper divisors (360207860).

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

299427340 is a wasteful number, since it uses less digits than its factorization.

299427340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3502 (or 3500 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 299427340 is about 17303.9689088949. The cubic root of 299427340 is about 669.0067260174.

The spelling of 299427340 in words is "two hundred ninety-nine million, four hundred twenty-seven thousand, three hundred forty".