1682520 has 64 divisors (see below), whose sum is σ = 5771520. Its totient is φ = 384384.

The previous prime is 1682509. The next prime is 1682521. The reversal of 1682520 is 252861.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1682521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162 + ... + 1841.

It is an arithmetic number, because the mean of its divisors is an integer number (90180).

2^1682520 is an apocalyptic number.

1682520 is a gapful number since it is divisible by the number (10) 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 1682520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2885760).

1682520 is an abundant number, since it is smaller than the sum of its proper divisors (4089000).

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

1682520 is a wasteful number, since it uses less digits than its factorization.

1682520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2024 (or 2020 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 1682520 is about 1297.1198865178. The cubic root of 1682520 is about 118.9378485799.

The spelling of 1682520 in words is "one million, six hundred eighty-two thousand, five hundred twenty".