1980048 has 80 divisors (see below), whose sum is σ = 5999616. Its totient is φ = 551040.

The previous prime is 1980031. The next prime is 1980053. The reversal of 1980048 is 8400891.

It is a happy number.

It is a nialpdrome in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 1979997 and 1980024.

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, 23815 + ... + 23897.

2^1980048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1980048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2999808).

1980048 is an abundant number, since it is smaller than the sum of its proper divisors (4019568).

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

1980048 is a wasteful number, since it uses less digits than its factorization.

1980048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 1980048 is about 1407.1417839010. The cubic root of 1980048 is about 125.5717382691.

The spelling of 1980048 in words is "one million, nine hundred eighty thousand, forty-eight".