99493845 has 32 divisors (see below), whose sum is σ = 175025664. Its totient is φ = 47860800.

The previous prime is 99493829. The next prime is 99493847. The reversal of 99493845 is 54839499.

It is not a de Polignac number, because 99493845 - 2⁴ = 99493829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99493847) 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 31 ways as a sum of consecutive naturals, for example, 19314 + ... + 23916.

It is an arithmetic number, because the mean of its divisors is an integer number (5469552).

Almost surely, 2^99493845 is an apocalyptic number.

It is an amenable number.

99493845 is a deficient number, since it is larger than the sum of its proper divisors (75531819).

99493845 is a wasteful number, since it uses less digits than its factorization.

99493845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4753.

The product of its digits is 1399680, while the sum is 51.

The square root of 99493845 is about 9974.6601445864. The cubic root of 99493845 is about 463.3744372324.

The spelling of 99493845 in words is "ninety-nine million, four hundred ninety-three thousand, eight hundred forty-five".