99398755 has 16 divisors (see below), whose sum is σ = 125582400. Its totient is φ = 75378688.

The previous prime is 99398753. The next prime is 99398773. The reversal of 99398755 is 55789399.

It is a cyclic number.

It is not a de Polignac number, because 99398755 - 2¹ = 99398753 is a prime.

It is a super-2 number, since 2×99398755² = 19760224991100050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 99398696 and 99398705.

It is not an unprimeable number, because it can be changed into a prime (99398753) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9171 + ... + 16819.

It is an arithmetic number, because the mean of its divisors is an integer number (7848900).

Almost surely, 2^99398755 is an apocalyptic number.

99398755 is a deficient number, since it is larger than the sum of its proper divisors (26183645).

99398755 is a wasteful number, since it uses less digits than its factorization.

99398755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7790.

The product of its digits is 3061800, while the sum is 55.

The square root of 99398755 is about 9969.8924267015. The cubic root of 99398755 is about 463.2267687342.

The spelling of 99398755 in words is "ninety-nine million, three hundred ninety-eight thousand, seven hundred fifty-five".