1998210414 has 16 divisors (see below), whose sum is σ = 4031788752. Its totient is φ = 660175488.

The previous prime is 1998210397. The next prime is 1998210421. The reversal of 1998210414 is 4140128991.

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 in 7 ways as a sum of consecutive naturals, for example, 1472929 + ... + 1474284.

It is an arithmetic number, because the mean of its divisors is an integer number (251986797).

Almost surely, 2^1998210414 is an apocalyptic number.

1998210414 is an abundant number, since it is smaller than the sum of its proper divisors (2033578338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1998210414 is a wasteful number, since it uses less digits than its factorization.

1998210414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2947331.

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 1998210414 is about 44701.3468924595. The cubic root of 1998210414 is about 1259.5451482425.

The spelling of 1998210414 in words is "one billion, nine hundred ninety-eight million, two hundred ten thousand, four hundred fourteen".