1988098 has 8 divisors (see below), whose sum is σ = 3408192. Its totient is φ = 852036.

The previous prime is 1988089. The next prime is 1988101. The reversal of 1988098 is 8908891.

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

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, 70990 + ... + 71017.

It is an arithmetic number, because the mean of its divisors is an integer number (426024).

2^1988098 is an apocalyptic number.

1988098 is a deficient number, since it is larger than the sum of its proper divisors (1420094).

1988098 is a wasteful number, since it uses less digits than its factorization.

1988098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142016.

The product of its (nonzero) digits is 41472, while the sum is 43.

The square root of 1988098 is about 1409.9992907800. Note that the first 3 decimals coincide. The cubic root of 1988098 is about 125.7416812344.

The spelling of 1988098 in words is "one million, nine hundred eighty-eight thousand, ninety-eight".