1923628 has 48 divisors (see below), whose sum is σ = 4193280. Its totient is φ = 753984.

The previous prime is 1923613. The next prime is 1923653. The reversal of 1923628 is 8263291.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1923628.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18625 + ... + 18727.

It is an arithmetic number, because the mean of its divisors is an integer number (87360).

2^1923628 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1923628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2096640).

1923628 is an abundant number, since it is smaller than the sum of its proper divisors (2269652).

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

1923628 is a wasteful number, since it uses less digits than its factorization.

1923628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166 (or 164 counting only the distinct ones).

The product of its digits is 5184, while the sum is 31.

The square root of 1923628 is about 1386.9491699410. The cubic root of 1923628 is about 124.3675359779.

The spelling of 1923628 in words is "one million, nine hundred twenty-three thousand, six hundred twenty-eight".