299291490 has 32 divisors (see below), whose sum is σ = 798111360. Its totient is φ = 79810992.

The previous prime is 299291467. The next prime is 299291497. The reversal of 299291490 is 94192992.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (299291497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 553974 + ... + 554513.

It is an arithmetic number, because the mean of its divisors is an integer number (24940980).

Almost surely, 2^299291490 is an apocalyptic number.

299291490 is an abundant number, since it is smaller than the sum of its proper divisors (498819870).

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

299291490 is a wasteful number, since it uses less digits than its factorization.

299291490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108503 (or 1108497 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The square root of 299291490 is about 17300.0430635302. The cubic root of 299291490 is about 668.9055347323.

The spelling of 299291490 in words is "two hundred ninety-nine million, two hundred ninety-one thousand, four hundred ninety".