299090540 has 24 divisors (see below), whose sum is σ = 717817632. Its totient is φ = 102545280.

The previous prime is 299090521. The next prime is 299090549. The reversal of 299090540 is 45090992.

299090540 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×299090540² = 178910302234983200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 299090494 and 299090503.

It is not an unprimeable number, because it can be changed into a prime (299090549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1068041 + ... + 1068320.

It is an arithmetic number, because the mean of its divisors is an integer number (29909068).

Almost surely, 2^299090540 is an apocalyptic number.

299090540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

299090540 is an abundant number, since it is smaller than the sum of its proper divisors (418727092).

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

299090540 is a wasteful number, since it uses less digits than its factorization.

299090540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2136377 (or 2136375 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 299090540 is about 17294.2342993265. The cubic root of 299090540 is about 668.7557959145.

The spelling of 299090540 in words is "two hundred ninety-nine million, ninety thousand, five hundred forty".