99154399 has 8 divisors (see below), whose sum is σ = 103093760. Its totient is φ = 95261400.

The previous prime is 99154381. The next prime is 99154409. The reversal of 99154399 is 99345199.

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

It is a cyclic number.

It is not a de Polignac number, because 99154399 - 2⁷ = 99154271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99154379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7197 + ... + 15814.

It is an arithmetic number, because the mean of its divisors is an integer number (12886720).

Almost surely, 2^99154399 is an apocalyptic number.

99154399 is a deficient number, since it is larger than the sum of its proper divisors (3939361).

99154399 is a wasteful number, since it uses less digits than its factorization.

99154399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23181.

The product of its digits is 393660, while the sum is 49.

The square root of 99154399 is about 9957.6301899599. The cubic root of 99154399 is about 462.8468675231.

The spelling of 99154399 in words is "ninety-nine million, one hundred fifty-four thousand, three hundred ninety-nine".