99793645 has 12 divisors (see below), whose sum is σ = 139304124. Its totient is φ = 68429760.

The previous prime is 99793633. The next prime is 99793651. The reversal of 99793645 is 54639799.

It can be written as a sum of positive squares in 2 ways, for example, as 71267364 + 28526281 = 8442^2 + 5341^2 .

It is not a de Polignac number, because 99793645 - 2²¹ = 97696493 is a prime.

It is a super-3 number, since 3×99793645³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99793592 and 99793601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 203416 + ... + 203905.

It is an arithmetic number, because the mean of its divisors is an integer number (11608677).

Almost surely, 2^99793645 is an apocalyptic number.

It is an amenable number.

99793645 is a deficient number, since it is larger than the sum of its proper divisors (39510479).

99793645 is a wasteful number, since it uses less digits than its factorization.

99793645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407340 (or 407333 counting only the distinct ones).

The product of its digits is 1837080, while the sum is 52.

The square root of 99793645 is about 9989.6769217027. The cubic root of 99793645 is about 463.8393918102.

The spelling of 99793645 in words is "ninety-nine million, seven hundred ninety-three thousand, six hundred forty-five".