98121830 has 8 divisors (see below), whose sum is σ = 176619312. Its totient is φ = 39248728.

The previous prime is 98121827. The next prime is 98121869. The reversal of 98121830 is 3812189.

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

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

It is a Curzon number.

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, 4906082 + ... + 4906101.

It is an arithmetic number, because the mean of its divisors is an integer number (22077414).

Almost surely, 2^98121830 is an apocalyptic number.

98121830 is a deficient number, since it is larger than the sum of its proper divisors (78497482).

98121830 is a wasteful number, since it uses less digits than its factorization.

98121830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9812190.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 98121830 is about 9905.6463696217. The cubic root of 98121830 is about 461.2346009259.

The spelling of 98121830 in words is "ninety-eight million, one hundred twenty-one thousand, eight hundred thirty".