1980460 has 12 divisors (see below), whose sum is σ = 4159008. Its totient is φ = 792176.

The previous prime is 1980443. The next prime is 1980469. The reversal of 1980460 is 640891.

It is not an unprimeable number, because it can be changed into a prime (1980469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49492 + ... + 49531.

It is an arithmetic number, because the mean of its divisors is an integer number (346584).

2^1980460 is an apocalyptic number.

1980460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1980460 is an abundant number, since it is smaller than the sum of its proper divisors (2178548).

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

1980460 is a wasteful number, since it uses less digits than its factorization.

1980460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99032 (or 99030 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 1980460 is about 1407.2881723371. The cubic root of 1980460 is about 125.5804471436.

The spelling of 1980460 in words is "one million, nine hundred eighty thousand, four hundred sixty".