1628368 has 60 divisors (see below), whose sum is σ = 3844992. Its totient is φ = 665280.

The previous prime is 1628359. The next prime is 1628369. The reversal of 1628368 is 8638261.

It is a d-powerful number, because it can be written as 1 + 6² + 2¹⁵ + 8³ + 3¹³ + 6³ + 8³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1628369) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24271 + ... + 24337.

2^1628368 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 1628368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1922496).

1628368 is an abundant number, since it is smaller than the sum of its proper divisors (2216624).

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

1628368 is a wasteful number, since it uses less digits than its factorization.

1628368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120 (or 107 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 1628368 is about 1276.0752328919. The cubic root of 1628368 is about 117.6479018763.

The spelling of 1628368 in words is "one million, six hundred twenty-eight thousand, three hundred sixty-eight".