1790449 has 4 divisors (see below), whose sum is σ = 1807936. Its totient is φ = 1772964.

The previous prime is 1790443. The next prime is 1790479. The reversal of 1790449 is 9440971.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9440971 = 23 ⋅410477.

It is a cyclic number.

It is not a de Polignac number, because 1790449 - 2⁵ = 1790417 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 (1790443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8589 + ... + 8794.

It is an arithmetic number, because the mean of its divisors is an integer number (451984).

2^1790449 is an apocalyptic number.

It is an amenable number.

1790449 is a deficient number, since it is larger than the sum of its proper divisors (17487).

1790449 is a wasteful number, since it uses less digits than its factorization.

1790449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17486.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 1790449 is about 1338.0766046830. The cubic root of 1790449 is about 121.4285059812.

The spelling of 1790449 in words is "one million, seven hundred ninety thousand, four hundred forty-nine".