1628046 has 64 divisors (see below), whose sum is σ = 4262400. Its totient is φ = 451008.

The previous prime is 1627981. The next prime is 1628051. The reversal of 1628046 is 6408261.

1628046 is nontrivially palindromic in base 13.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

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, 22266 + ... + 22338.

It is an arithmetic number, because the mean of its divisors is an integer number (66600).

2^1628046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1628046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2131200).

1628046 is an abundant number, since it is smaller than the sum of its proper divisors (2634354).

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

1628046 is a wasteful number, since it uses less digits than its factorization.

1628046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150 (or 144 counting only the distinct ones).

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

The square root of 1628046 is about 1275.9490585443. The cubic root of 1628046 is about 117.6401466429.

The spelling of 1628046 in words is "one million, six hundred twenty-eight thousand, forty-six".