99028894 has 4 divisors (see below), whose sum is σ = 148543344. Its totient is φ = 49514446.

The previous prime is 99028873. The next prime is 99028903. The reversal of 99028894 is 49882099.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 24757222 + ... + 24757225.

It is an arithmetic number, because the mean of its divisors is an integer number (37135836).

Almost surely, 2^99028894 is an apocalyptic number.

99028894 is a deficient number, since it is larger than the sum of its proper divisors (49514450).

99028894 is a wasteful number, since it uses less digits than its factorization.

99028894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49514449.

The product of its (nonzero) digits is 373248, while the sum is 49.

The square root of 99028894 is about 9951.3262432703. The cubic root of 99028894 is about 462.6515017670.

The spelling of 99028894 in words is "ninety-nine million, twenty-eight thousand, eight hundred ninety-four".