1796805 has 12 divisors (see below), whose sum is σ = 3114540. Its totient is φ = 958272.

The previous prime is 1796803. The next prime is 1796819. The reversal of 1796805 is 5086971.

It can be written as a sum of positive squares in 2 ways, for example, as 544644 + 1252161 = 738^2 + 1119^2 .

It is not a de Polignac number, because 1796805 - 2¹ = 1796803 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1796805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1796801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19920 + ... + 20009.

It is an arithmetic number, because the mean of its divisors is an integer number (259545).

2^1796805 is an apocalyptic number.

1796805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1796805 is a deficient number, since it is larger than the sum of its proper divisors (1317735).

1796805 is a wasteful number, since it uses less digits than its factorization.

1796805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39940 (or 39937 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 1796805 is about 1340.4495514565. The cubic root of 1796805 is about 121.5720245620.

It can be divided in two parts, 1796 and 805, that added together give a square (2601 = 51²).

The spelling of 1796805 in words is "one million, seven hundred ninety-six thousand, eight hundred five".