1797628 has 48 divisors (see below), whose sum is σ = 3942400. Its totient is φ = 699840.

The previous prime is 1797617. The next prime is 1797637. The reversal of 1797628 is 8267971.

It is a d-powerful number, because it can be written as 1 + 7³ + 9 + 7⁶ + 6⁸ + 2 + 8 .

Its product of digits (42336) is a multiple of the sum of its prime divisors (168).

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, 16438 + ... + 16546.

2^1797628 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1797628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1971200).

1797628 is an abundant number, since it is smaller than the sum of its proper divisors (2144772).

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

1797628 is a wasteful number, since it uses less digits than its factorization.

1797628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170 (or 168 counting only the distinct ones).

The product of its digits is 42336, while the sum is 40.

The square root of 1797628 is about 1340.7565028744. The cubic root of 1797628 is about 121.5905831523.

The spelling of 1797628 in words is "one million, seven hundred ninety-seven thousand, six hundred twenty-eight".