99499 has 8 divisors (see below), whose sum is σ = 106560. Its totient is φ = 92736.

The previous prime is 99497. The next prime is 99523.

99499 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 6-Lehmer number, since φ(99499) divides (99499-1)⁶.

It is a cyclic number.

It is not a de Polignac number, because 99499 - 2¹ = 99497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99497) by changing a digit.

It is a nontrivial repunit in base 46.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1327 + ... + 1399.

It is an arithmetic number, because the mean of its divisors is an integer number (13320).

2⁹⁹⁴⁹⁹ is an apocalyptic number.

99499 is a deficient number, since it is larger than the sum of its proper divisors (7061).

99499 is a wasteful number, since it uses less digits than its factorization.

99499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149.

The product of its digits is 26244, while the sum is 40.

The square root of 99499 is about 315.4346208012. The cubic root of 99499 is about 46.3382439918.

It can be divided in two parts, 9 and 9499, that multiplied together give a triangular number (85491 = T₄₁₃).

The spelling of 99499 in words is "ninety-nine thousand, four hundred ninety-nine".