1790928 has 30 divisors (see below), whose sum is σ = 5012514. Its totient is φ = 596928.

The previous prime is 1790917. The next prime is 1790939. The reversal of 1790928 is 8290971.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1790917) and next prime (1790939).

It can be written as a sum of positive squares in only one way, i.e., 1065024 + 725904 = 1032^2 + 852^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1790892 and 1790901.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 6075 + ... + 6362.

2^1790928 is an apocalyptic number.

1790928 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1790928 is an abundant number, since it is smaller than the sum of its proper divisors (3221586).

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

1790928 is a wasteful number, since it uses less digits than its factorization.

1790928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12451 (or 12442 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 1790928 is about 1338.2555809710. The cubic root of 1790928 is about 121.4393336317.

The spelling of 1790928 in words is "one million, seven hundred ninety thousand, nine hundred twenty-eight".