1628164 has 12 divisors (see below), whose sum is σ = 2898000. Its totient is φ = 800168.

The previous prime is 1628161. The next prime is 1628171. The reversal of 1628164 is 4618261.

It is not an unprimeable number, because it can be changed into a prime (1628161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3214 + ... + 3685.

It is an arithmetic number, because the mean of its divisors is an integer number (241500).

2^1628164 is an apocalyptic number.

It is an amenable number.

1628164 is a deficient number, since it is larger than the sum of its proper divisors (1269836).

1628164 is a wasteful number, since it uses less digits than its factorization.

1628164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6962 (or 6960 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 1628164 is about 1275.9952977970. The cubic root of 1628164 is about 117.6429887415.

The spelling of 1628164 in words is "one million, six hundred twenty-eight thousand, one hundred sixty-four".