1798047 has 6 divisors (see below), whose sum is σ = 2597192. Its totient is φ = 1198692.

The previous prime is 1798037. The next prime is 1798051. The reversal of 1798047 is 7408971.

It is not a de Polignac number, because 1798047 - 2²⁰ = 749471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1798037) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 99883 + ... + 99900.

2^1798047 is an apocalyptic number.

1798047 is a deficient number, since it is larger than the sum of its proper divisors (799145).

1798047 is a wasteful number, since it uses less digits than its factorization.

1798047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199789 (or 199786 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 1798047 is about 1340.9127488394. The cubic root of 1798047 is about 121.6000293961.

The spelling of 1798047 in words is "one million, seven hundred ninety-eight thousand, forty-seven".