1982260 has 24 divisors (see below), whose sum is σ = 4757760. Its totient is φ = 679584.

The previous prime is 1982219. The next prime is 1982263. The reversal of 1982260 is 622891.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1982263) 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 7 ways as a sum of consecutive naturals, for example, 6940 + ... + 7219.

It is an arithmetic number, because the mean of its divisors is an integer number (198240).

2^1982260 is an apocalyptic number.

1982260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1982260 is an abundant number, since it is smaller than the sum of its proper divisors (2775500).

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

1982260 is a wasteful number, since it uses less digits than its factorization.

1982260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14175 (or 14173 counting only the distinct ones).

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

The square root of 1982260 is about 1407.9275549544. The cubic root of 1982260 is about 125.6184814650.

The spelling of 1982260 in words is "one million, nine hundred eighty-two thousand, two hundred sixty".