299428680 has 32 divisors (see below), whose sum is σ = 898286400. Its totient is φ = 79847616.

The previous prime is 299428669. The next prime is 299428739. The reversal of 299428680 is 86824992.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1247500 + ... + 1247739.

It is an arithmetic number, because the mean of its divisors is an integer number (28071450).

Almost surely, 2^299428680 is an apocalyptic number.

299428680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

299428680 is an abundant number, since it is smaller than the sum of its proper divisors (598857720).

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

299428680 is a wasteful number, since it uses less digits than its factorization.

299428680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2495253 (or 2495249 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 48.

The square root of 299428680 is about 17304.0076282924. The cubic root of 299428680 is about 669.0077239976.

The spelling of 299428680 in words is "two hundred ninety-nine million, four hundred twenty-eight thousand, six hundred eighty".