99580403 has 8 divisors (see below), whose sum is σ = 110938800. Its totient is φ = 88750368.

The previous prime is 99580381. The next prime is 99580433. The reversal of 99580403 is 30408599.

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 99580403 - 2⁸ = 99580147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99580433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131693 + ... + 132446.

It is an arithmetic number, because the mean of its divisors is an integer number (13867350).

Almost surely, 2^99580403 is an apocalyptic number.

99580403 is a deficient number, since it is larger than the sum of its proper divisors (11358397).

99580403 is a wasteful number, since it uses less digits than its factorization.

99580403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264181.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 99580403 is about 9978.9980960014. The cubic root of 99580403 is about 463.5087743157.

Adding to 99580403 its sum of digits (38), we get a square (99580441 = 9979²).

The spelling of 99580403 in words is "ninety-nine million, five hundred eighty thousand, four hundred three".