1980516 has 24 divisors (see below), whose sum is σ = 4656064. Its totient is φ = 655200.

The previous prime is 1980491. The next prime is 1980521. The reversal of 1980516 is 6150891.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1266 + ... + 2358.

2^1980516 is an apocalyptic number.

It is an amenable number.

1980516 is an abundant number, since it is smaller than the sum of its proper divisors (2675548).

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

1980516 is a wasteful number, since it uses less digits than its factorization.

1980516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251 (or 1249 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 1980516 is about 1407.3080686190. The cubic root of 1980516 is about 125.5816307808.

The spelling of 1980516 in words is "one million, nine hundred eighty thousand, five hundred sixteen".