1682940 has 48 divisors (see below), whose sum is σ = 5386752. Its totient is φ = 384576.

The previous prime is 1682939. The next prime is 1682951. The reversal of 1682940 is 492861.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1682898 and 1682907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1584 + ... + 2423.

It is an arithmetic number, because the mean of its divisors is an integer number (112224).

2^1682940 is an apocalyptic number.

1682940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1682940 is an abundant number, since it is smaller than the sum of its proper divisors (3703812).

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

1682940 is a wasteful number, since it uses less digits than its factorization.

1682940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4026 (or 4024 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 1682940 is about 1297.2817735558. The cubic root of 1682940 is about 118.9477443990.

The spelling of 1682940 in words is "one million, six hundred eighty-two thousand, nine hundred forty".