1923828 has 12 divisors (see below), whose sum is σ = 4488960. Its totient is φ = 641272.

The previous prime is 1923811. The next prime is 1923833. The reversal of 1923828 is 8283291.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1923828² = 7402228347168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80148 + ... + 80171.

It is an arithmetic number, because the mean of its divisors is an integer number (374080).

2^1923828 is an apocalyptic number.

It is an amenable number.

1923828 is an abundant number, since it is smaller than the sum of its proper divisors (2565132).

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

1923828 is a wasteful number, since it uses less digits than its factorization.

1923828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160326 (or 160324 counting only the distinct ones).

The product of its digits is 6912, while the sum is 33.

The square root of 1923828 is about 1387.0212687627. The cubic root of 1923828 is about 124.3718460013.

The spelling of 1923828 in words is "one million, nine hundred twenty-three thousand, eight hundred twenty-eight".