1988602 has 32 divisors (see below), whose sum is σ = 3830400. Its totient is φ = 751680.

The previous prime is 1988599. The next prime is 1988611. The reversal of 1988602 is 2068891.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5524 + ... + 5872.

It is an arithmetic number, because the mean of its divisors is an integer number (119700).

2^1988602 is an apocalyptic number.

1988602 is a deficient number, since it is larger than the sum of its proper divisors (1841798).

1988602 is a wasteful number, since it uses less digits than its factorization.

1988602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 1988602 is about 1410.1780029486. The cubic root of 1988602 is about 125.7523058704.

The spelling of 1988602 in words is "one million, nine hundred eighty-eight thousand, six hundred two".