1797238 has 16 divisors (see below), whose sum is σ = 2804400. Its totient is φ = 863136.

The previous prime is 1797227. The next prime is 1797239. The reversal of 1797238 is 8327971.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 1797197 and 1797206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1797239) 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 in 7 ways as a sum of consecutive naturals, for example, 10945 + ... + 11107.

It is an arithmetic number, because the mean of its divisors is an integer number (175275).

2^1797238 is an apocalyptic number.

1797238 is a deficient number, since it is larger than the sum of its proper divisors (1007162).

1797238 is a wasteful number, since it uses less digits than its factorization.

1797238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351.

The product of its digits is 21168, while the sum is 37.

The square root of 1797238 is about 1340.6110547060. The cubic root of 1797238 is about 121.5817893869.

The spelling of 1797238 in words is "one million, seven hundred ninety-seven thousand, two hundred thirty-eight".