1628875 has 16 divisors (see below), whose sum is σ = 2070432. Its totient is φ = 1279200.

The previous prime is 1628873. The next prime is 1628881. The reversal of 1628875 is 5788261.

It is not a de Polignac number, because 1628875 - 2¹ = 1628873 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a zygodrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (1628873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10297 + ... + 10453.

It is an arithmetic number, because the mean of its divisors is an integer number (129402).

2^1628875 is an apocalyptic number.

1628875 is a deficient number, since it is larger than the sum of its proper divisors (441557).

1628875 is an equidigital number, since it uses as much as digits as its factorization.

1628875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255 (or 245 counting only the distinct ones).

The product of its digits is 26880, while the sum is 37.

The square root of 1628875 is about 1276.2738734300. The cubic root of 1628875 is about 117.6601106843.

The spelling of 1628875 in words is "one million, six hundred twenty-eight thousand, eight hundred seventy-five".