99894897 has 16 divisors (see below), whose sum is σ = 148236480. Its totient is φ = 66486816.

The previous prime is 99894869. The next prime is 99894919. The reversal of 99894897 is 79849899.

It is not a de Polignac number, because 99894897 - 2⁶ = 99894833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99894797) 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, 15733 + ... + 21149.

It is an arithmetic number, because the mean of its divisors is an integer number (9264780).

Almost surely, 2^99894897 is an apocalyptic number.

It is an amenable number.

99894897 is a deficient number, since it is larger than the sum of its proper divisors (48341583).

99894897 is a wasteful number, since it uses less digits than its factorization.

99894897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6109 (or 6103 counting only the distinct ones).

The product of its digits is 11757312, while the sum is 63.

The square root of 99894897 is about 9994.7434684438. The cubic root of 99894897 is about 463.9962113865.

The spelling of 99894897 in words is "ninety-nine million, eight hundred ninety-four thousand, eight hundred ninety-seven".