99894895 has 4 divisors (see below), whose sum is σ = 119873880. Its totient is φ = 79915912.

The previous prime is 99894869. The next prime is 99894919. The reversal of 99894895 is 59849899.

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 99894895 - 2¹⁵ = 99862127 is a prime.

It is a super-2 number, since 2×99894895² = 19957980094122050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9989485 + ... + 9989494.

It is an arithmetic number, because the mean of its divisors is an integer number (29968470).

Almost surely, 2^99894895 is an apocalyptic number.

99894895 is a deficient number, since it is larger than the sum of its proper divisors (19978985).

99894895 is a wasteful number, since it uses less digits than its factorization.

99894895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19978984.

The product of its digits is 8398080, while the sum is 61.

The square root of 99894895 is about 9994.7433683912. The cubic root of 99894895 is about 463.9962082900.

It can be divided in two parts, 9989 and 4895, that added together give a square (14884 = 122²).

The spelling of 99894895 in words is "ninety-nine million, eight hundred ninety-four thousand, eight hundred ninety-five".