1940828 has 6 divisors (see below), whose sum is σ = 3396456. Its totient is φ = 970412.

The previous prime is 1940821. The next prime is 1940833. The reversal of 1940828 is 8280491.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1940794 and 1940803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1940821) by changing a digit.

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 as a sum of consecutive naturals, namely, 242600 + ... + 242607.

It is an arithmetic number, because the mean of its divisors is an integer number (566076).

2^1940828 is an apocalyptic number.

It is an amenable number.

1940828 is a deficient number, since it is larger than the sum of its proper divisors (1455628).

1940828 is a wasteful number, since it uses less digits than its factorization.

1940828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485211 (or 485209 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 1940828 is about 1393.1360306876. The cubic root of 1940828 is about 124.7371115047.

The spelling of 1940828 in words is "one million, nine hundred forty thousand, eight hundred twenty-eight".