1980468 has 72 divisors (see below), whose sum is σ = 5940480. Its totient is φ = 544320.

The previous prime is 1980443. The next prime is 1980469. The reversal of 1980468 is 8640891.

It is a happy number.

1980468 is a `hidden beast` number, since 198 + 0 + 468 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 7173 + ... + 7443.

2^1980468 is an apocalyptic number.

1980468 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1980468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2970240).

1980468 is an abundant number, since it is smaller than the sum of its proper divisors (3960012).

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

1980468 is a wasteful number, since it uses less digits than its factorization.

1980468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317 (or 312 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 1980468 is about 1407.2910146803. The cubic root of 1980468 is about 125.5806162360.

The spelling of 1980468 in words is "one million, nine hundred eighty thousand, four hundred sixty-eight".