1798444 has 12 divisors (see below), whose sum is σ = 3185784. Its totient is φ = 888224.

The previous prime is 1798441. The next prime is 1798451. The reversal of 1798444 is 4448971.

It is a super-2 number, since 2×1798444² = 6468801642272, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1798441) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2377 + ... + 3040.

It is an arithmetic number, because the mean of its divisors is an integer number (265482).

2^1798444 is an apocalyptic number.

It is an amenable number.

1798444 is a deficient number, since it is larger than the sum of its proper divisors (1387340).

1798444 is a wasteful number, since it uses less digits than its factorization.

1798444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5504 (or 5502 counting only the distinct ones).

The product of its digits is 32256, while the sum is 37.

The square root of 1798444 is about 1341.0607741635. The cubic root of 1798444 is about 121.6089783018.

The spelling of 1798444 in words is "one million, seven hundred ninety-eight thousand, four hundred forty-four".