998740214 has 8 divisors (see below), whose sum is σ = 1498645800. Its totient is φ = 499191616.

The previous prime is 998740213. The next prime is 998740261. The reversal of 998740214 is 412047899.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998740213) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 82139 + ... + 93510.

It is an arithmetic number, because the mean of its divisors is an integer number (187330725).

Almost surely, 2^998740214 is an apocalyptic number.

998740214 is a deficient number, since it is larger than the sum of its proper divisors (499905586).

998740214 is a wasteful number, since it uses less digits than its factorization.

998740214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178494.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 998740214 is about 31602.8513586986. The cubic root of 998740214 is about 999.5798948697.

The spelling of 998740214 in words is "nine hundred ninety-eight million, seven hundred forty thousand, two hundred fourteen".