98987894 has 4 divisors (see below), whose sum is σ = 148481844. Its totient is φ = 49493946.

The previous prime is 98987893. The next prime is 98987897. The reversal of 98987894 is 49878989.

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

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98987893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24746972 + ... + 24746975.

It is an arithmetic number, because the mean of its divisors is an integer number (37120461).

Almost surely, 2^98987894 is an apocalyptic number.

98987894 is a deficient number, since it is larger than the sum of its proper divisors (49493950).

98987894 is a wasteful number, since it uses less digits than its factorization.

98987894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49493949.

The product of its digits is 10450944, while the sum is 62.

The square root of 98987894 is about 9949.2660030778. The cubic root of 98987894 is about 462.5876438725.

The spelling of 98987894 in words is "ninety-eight million, nine hundred eighty-seven thousand, eight hundred ninety-four".