1628460 has 72 divisors (see below), whose sum is σ = 5045040. Its totient is φ = 425088.

The previous prime is 1628441. The next prime is 1628467. The reversal of 1628460 is 648261.

It is not an unprimeable number, because it can be changed into a prime (1628467) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14886 + ... + 14994.

It is an arithmetic number, because the mean of its divisors is an integer number (70070).

2^1628460 is an apocalyptic number.

1628460 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 1628460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2522520).

1628460 is an abundant number, since it is smaller than the sum of its proper divisors (3416580).

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

1628460 is a wasteful number, since it uses less digits than its factorization.

1628460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 1628460 is about 1276.1112804141. Note that the first 3 decimals coincide. The cubic root of 1628460 is about 117.6501174695.

The spelling of 1628460 in words is "one million, six hundred twenty-eight thousand, four hundred sixty".