98924978 has 8 divisors (see below), whose sum is σ = 154839168. Its totient is φ = 47311924.

The previous prime is 98924971. The next prime is 98924993. The reversal of 98924978 is 87942989.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (98924971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1075226 + ... + 1075317.

It is an arithmetic number, because the mean of its divisors is an integer number (19354896).

Almost surely, 2^98924978 is an apocalyptic number.

98924978 is a deficient number, since it is larger than the sum of its proper divisors (55914190).

98924978 is a wasteful number, since it uses less digits than its factorization.

98924978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2150568.

The product of its digits is 2612736, while the sum is 56.

The square root of 98924978 is about 9946.1036592225. The cubic root of 98924978 is about 462.4896172980.

The spelling of 98924978 in words is "ninety-eight million, nine hundred twenty-four thousand, nine hundred seventy-eight".