1980418 has 8 divisors (see below), whose sum is σ = 3240720. Its totient is φ = 900180.

The previous prime is 1980413. The next prime is 1980431. The reversal of 1980418 is 8140891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1980418.

It is not an unprimeable number, because it can be changed into a prime (1980413) 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, 44988 + ... + 45031.

It is an arithmetic number, because the mean of its divisors is an integer number (405090).

2^1980418 is an apocalyptic number.

1980418 is a deficient number, since it is larger than the sum of its proper divisors (1260302).

1980418 is a wasteful number, since it uses less digits than its factorization.

1980418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90032.

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 1980418 is about 1407.2732499412. The cubic root of 1980418 is about 125.5795594010.

The spelling of 1980418 in words is "one million, nine hundred eighty thousand, four hundred eighteen".