1828656 has 100 divisors (see below), whose sum is σ = 5671512. Its totient is φ = 566784.

The previous prime is 1828649. The next prime is 1828663. The reversal of 1828656 is 6568281.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1828649) and next prime (1828663).

It is a Harshad number since it is a multiple of its sum of digits (36).

Its product of digits (23040) is a multiple of the sum of its prime factors (120).

It is a self number, because there is not a number n which added to its sum of digits gives 1828656.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21991 + ... + 22073.

2^1828656 is an apocalyptic number.

1828656 is a gapful number since it is divisible by the number (16) 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 1828656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2835756).

1828656 is an abundant number, since it is smaller than the sum of its proper divisors (3842856).

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

1828656 is a wasteful number, since it uses less digits than its factorization.

1828656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 105 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 1828656 is about 1352.2780779115. The cubic root of 1828656 is about 122.2861686801.

The spelling of 1828656 in words is "one million, eight hundred twenty-eight thousand, six hundred fifty-six".