99400499 has 8 divisors (see below), whose sum is σ = 108622848. Its totient is φ = 90209160.

The previous prime is 99400489. The next prime is 99400501.

It is a happy number.

99400499 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99400499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99400409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 767 + ... + 14120.

It is an arithmetic number, because the mean of its divisors is an integer number (13577856).

Almost surely, 2^99400499 is an apocalyptic number.

99400499 is a deficient number, since it is larger than the sum of its proper divisors (9222349).

99400499 is a wasteful number, since it uses less digits than its factorization.

99400499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15505.

The product of its (nonzero) digits is 104976, while the sum is 44.

The square root of 99400499 is about 9969.9798896487. The cubic root of 99400499 is about 463.2294778987.

It can be divided in two parts, 99400 and 499, that added together give a palindrome (99899).

The spelling of 99400499 in words is "ninety-nine million, four hundred thousand, four hundred ninety-nine".