99903827 has 4 divisors (see below), whose sum is σ = 99933960. Its totient is φ = 99873696.

The previous prime is 99903823. The next prime is 99903833. The reversal of 99903827 is 72830999.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 99903827 - 2² = 99903823 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99903821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9377 + ... + 16962.

It is an arithmetic number, because the mean of its divisors is an integer number (24983490).

Almost surely, 2^99903827 is an apocalyptic number.

99903827 is a deficient number, since it is larger than the sum of its proper divisors (30133).

99903827 is a wasteful number, since it uses less digits than its factorization.

99903827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30132.

The product of its (nonzero) digits is 244944, while the sum is 47.

The square root of 99903827 is about 9995.1901932880. The cubic root of 99903827 is about 464.0100371268.

The spelling of 99903827 in words is "ninety-nine million, nine hundred three thousand, eight hundred twenty-seven".