1799045 has 8 divisors (see below), whose sum is σ = 2179320. Its totient is φ = 1425600.

The previous prime is 1799041. The next prime is 1799071. The reversal of 1799045 is 5409971.

It can be written as a sum of positive squares in 4 ways, for example, as 124609 + 1674436 = 353^2 + 1294^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1799045 - 2² = 1799041 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1798996 and 1799014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1799041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1106 + ... + 2195.

It is an arithmetic number, because the mean of its divisors is an integer number (272415).

2^1799045 is an apocalyptic number.

It is an amenable number.

1799045 is a deficient number, since it is larger than the sum of its proper divisors (380275).

1799045 is a wasteful number, since it uses less digits than its factorization.

1799045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3415.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 1799045 is about 1341.2848317938. The cubic root of 1799045 is about 121.6225231320.

The spelling of 1799045 in words is "one million, seven hundred ninety-nine thousand, forty-five".