1988046 has 24 divisors (see below), whose sum is σ = 4534920. Its totient is φ = 627696.

The previous prime is 1988033. The next prime is 1988057. The reversal of 1988046 is 6408891.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1988046.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2565 + ... + 3248.

It is an arithmetic number, because the mean of its divisors is an integer number (188955).

2^1988046 is an apocalyptic number.

1988046 is an abundant number, since it is smaller than the sum of its proper divisors (2546874).

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

1988046 is a wasteful number, since it uses less digits than its factorization.

1988046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5840 (or 5837 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 1988046 is about 1409.9808509338. The cubic root of 1988046 is about 125.7405849396.

The spelling of 1988046 in words is "one million, nine hundred eighty-eight thousand, forty-six".