1628250 has 64 divisors (see below), whose sum is σ = 4402944. Its totient is φ = 398400.

The previous prime is 1628227. The next prime is 1628261. The reversal of 1628250 is 528261.

It is a self number, because there is not a number n which added to its sum of digits gives 1628250.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9667 + ... + 9833.

It is an arithmetic number, because the mean of its divisors is an integer number (68796).

2^1628250 is an apocalyptic number.

1628250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1628250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2201472).

1628250 is an abundant number, since it is smaller than the sum of its proper divisors (2774694).

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

1628250 is a wasteful number, since it uses less digits than its factorization.

1628250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200 (or 190 counting only the distinct ones).

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

The square root of 1628250 is about 1276.0289965357. The cubic root of 1628250 is about 117.6450600151.

The spelling of 1628250 in words is "one million, six hundred twenty-eight thousand, two hundred fifty".