1988696 has 8 divisors (see below), whose sum is σ = 3728820. Its totient is φ = 994344.

The previous prime is 1988689. The next prime is 1988699. The reversal of 1988696 is 6968891.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1988696.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1988699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124286 + ... + 124301.

2^1988696 is an apocalyptic number.

It is an amenable number.

1988696 is a deficient number, since it is larger than the sum of its proper divisors (1740124).

1988696 is a wasteful number, since it uses less digits than its factorization.

1988696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248593 (or 248589 counting only the distinct ones).

The product of its digits is 186624, while the sum is 47.

The square root of 1988696 is about 1410.2113316805. The cubic root of 1988696 is about 125.7542872507.

The spelling of 1988696 in words is "one million, nine hundred eighty-eight thousand, six hundred ninety-six".