1988496 has 40 divisors (see below), whose sum is σ = 5708960. Its totient is φ = 662688.

The previous prime is 1988471. The next prime is 1988513. The reversal of 1988496 is 6948891.

It is a nude number because it is divisible by every one of its digits.

Its product of digits (124416) is a multiple of the sum of its prime divisors (4608).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1870 + ... + 2733.

It is an arithmetic number, because the mean of its divisors is an integer number (142724).

2^1988496 is an apocalyptic number.

1988496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1988496 is an abundant number, since it is smaller than the sum of its proper divisors (3720464).

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

1988496 is a wasteful number, since it uses less digits than its factorization.

1988496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4620 (or 4608 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 1988496 is about 1410.1404185399. The cubic root of 1988496 is about 125.7500714730.

The spelling of 1988496 in words is "one million, nine hundred eighty-eight thousand, four hundred ninety-six".