1628000 has 96 divisors (see below), whose sum is σ = 4481568. Its totient is φ = 576000.

The previous prime is 1627981. The next prime is 1628051. The reversal of 1628000 is 8261.

It is a self number, because there is not a number n which added to its sum of digits gives 1628000.

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, 43982 + ... + 44018.

It is an arithmetic number, because the mean of its divisors is an integer number (46683).

2^1628000 is an apocalyptic number.

1628000 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 1628000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2240784).

1628000 is an abundant number, since it is smaller than the sum of its proper divisors (2853568).

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

1628000 is a wasteful number, since it uses less digits than its factorization.

1628000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73 (or 55 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1628000 is about 1275.9310326189. The cubic root of 1628000 is about 117.6390386690.

The spelling of 1628000 in words is "one million, six hundred twenty-eight thousand".