1982416 has 20 divisors (see below), whose sum is σ = 4008672. Its totient is φ = 947936.

The previous prime is 1982401. The next prime is 1982417. The reversal of 1982416 is 6142891.

It is a happy number.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1982417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2326 + ... + 3061.

2^1982416 is an apocalyptic number.

1982416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1982416 is an abundant number, since it is smaller than the sum of its proper divisors (2026256).

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

1982416 is a wasteful number, since it uses less digits than its factorization.

1982416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5418 (or 5412 counting only the distinct ones).

The product of its digits is 3456, while the sum is 31.

The square root of 1982416 is about 1407.9829544423. The cubic root of 1982416 is about 125.6217766885.

The spelling of 1982416 in words is "one million, nine hundred eighty-two thousand, four hundred sixteen".