1682280 has 48 divisors (see below), whose sum is σ = 5468580. Its totient is φ = 448512.

The previous prime is 1682257. The next prime is 1682281. The reversal of 1682280 is 822861.

It can be written as a sum of positive squares in 2 ways, for example, as 1602756 + 79524 = 1266^2 + 282^2 .

It is not an unprimeable number, because it can be changed into a prime (1682281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1977 + ... + 2696.

2^1682280 is an apocalyptic number.

1682280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1682280 is an abundant number, since it is smaller than the sum of its proper divisors (3786300).

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

1682280 is a wasteful number, since it uses less digits than its factorization.

1682280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4690 (or 4683 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 1682280 is about 1297.0273705670. The cubic root of 1682280 is about 118.9321930868.

The spelling of 1682280 in words is "one million, six hundred eighty-two thousand, two hundred eighty".