99890343 has 24 divisors (see below), whose sum is σ = 169359008. Its totient is φ = 55536192.

The previous prime is 99890341. The next prime is 99890359. The reversal of 99890343 is 34309899.

It is not a de Polignac number, because 99890343 - 2¹ = 99890341 is a prime.

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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (99890341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19096 + ... + 23757.

Almost surely, 2^99890343 is an apocalyptic number.

99890343 is a deficient number, since it is larger than the sum of its proper divisors (69468665).

99890343 is a wasteful number, since it uses less digits than its factorization.

99890343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42903 (or 42900 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 99890343 is about 9994.5156460931. The cubic root of 99890343 is about 463.9891604062.

The spelling of 99890343 in words is "ninety-nine million, eight hundred ninety thousand, three hundred forty-three".