1988802 has 24 divisors (see below), whose sum is σ = 4335084. Its totient is φ = 658944.

The previous prime is 1988801. The next prime is 1988807. The reversal of 1988802 is 2088891.

It can be written as a sum of positive squares in 2 ways, for example, as 1687401 + 301401 = 1299^2 + 549^2 .

It is not an unprimeable number, because it can be changed into a prime (1988801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5458 + ... + 5810.

2^1988802 is an apocalyptic number.

1988802 is an abundant number, since it is smaller than the sum of its proper divisors (2346282).

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

1988802 is a wasteful number, since it uses less digits than its factorization.

1988802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674 (or 671 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The square root of 1988802 is about 1410.2489141992. The cubic root of 1988802 is about 125.7565214983.

The spelling of 1988802 in words is "one million, nine hundred eighty-eight thousand, eight hundred two".