999350299 has 6 divisors (see below), whose sum is σ = 1044689996. Its totient is φ = 955899780.

The previous prime is 999350273. The next prime is 999350329. The reversal of 999350299 is 992053999.

999350299 = T₂₅₈₁₀ + T₂₅₈₁₁ + T₂₅₈₁₂.

It is not a de Polignac number, because 999350299 - 2⁵ = 999350267 is a prime.

It is a super-2 number, since 2×999350299² = 1997402040222778802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (999350249) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 944037 + ... + 945094.

Almost surely, 2^999350299 is an apocalyptic number.

999350299 is the 25812-nd centered triangular number.

999350299 is a deficient number, since it is larger than the sum of its proper divisors (45339697).

999350299 is a wasteful number, since it uses less digits than its factorization.

999350299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1889177 (or 1889154 counting only the distinct ones).

The product of its (nonzero) digits is 1771470, while the sum is 55.

The square root of 999350299 is about 31612.5022578093. The cubic root of 999350299 is about 999.7833860818.

The spelling of 999350299 in words is "nine hundred ninety-nine million, three hundred fifty thousand, two hundred ninety-nine".