1791049 has 8 divisors (see below), whose sum is σ = 1939392. Its totient is φ = 1644240.

The previous prime is 1791047. The next prime is 1791077. The reversal of 1791049 is 9401971.

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

It is not a de Polignac number, because 1791049 - 2¹ = 1791047 is a prime.

It is a nialpdrome in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 1791049.

It is not an unprimeable number, because it can be changed into a prime (1791043) 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, 3822 + ... + 4264.

It is an arithmetic number, because the mean of its divisors is an integer number (242424).

2^1791049 is an apocalyptic number.

It is an amenable number.

1791049 is a deficient number, since it is larger than the sum of its proper divisors (148343).

1791049 is a wasteful number, since it uses less digits than its factorization.

1791049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767.

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 1791049 is about 1338.3007883133. The cubic root of 1791049 is about 121.4420684948.

The spelling of 1791049 in words is "one million, seven hundred ninety-one thousand, forty-nine".