99603001 has 8 divisors (see below), whose sum is σ = 103237640. Its totient is φ = 96018048.

The previous prime is 99602999. The next prime is 99603019. The reversal of 99603001 is 10030699.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 69889600 + 29713401 = 8360^2 + 5451^2 .

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

It is a 3-Lehmer number, since φ(99603001) divides (99603001-1)³.

It is a cyclic number.

It is not a de Polignac number, because 99603001 - 2¹ = 99602999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99603401) 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, 8316 + ... + 16381.

It is an arithmetic number, because the mean of its divisors is an integer number (12904705).

Almost surely, 2^99603001 is an apocalyptic number.

It is an amenable number.

99603001 is a deficient number, since it is larger than the sum of its proper divisors (3634639).

99603001 is a wasteful number, since it uses less digits than its factorization.

99603001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24843.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 99603001 is about 9980.1303097705. The cubic root of 99603001 is about 463.5438333526.

The spelling of 99603001 in words is "ninety-nine million, six hundred three thousand, one".