1790945 has 16 divisors (see below), whose sum is σ = 2358720. Its totient is φ = 1297344.

The previous prime is 1790939. The next prime is 1790951. The reversal of 1790945 is 5490971.

It is an interprime number because it is at equal distance from previous prime (1790939) and next prime (1790951).

It is a cyclic number.

It is not a de Polignac number, because 1790945 - 2²⁰ = 742369 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3602 + ... + 4068.

It is an arithmetic number, because the mean of its divisors is an integer number (147420).

2^1790945 is an apocalyptic number.

It is an amenable number.

1790945 is a deficient number, since it is larger than the sum of its proper divisors (567775).

1790945 is a wasteful number, since it uses less digits than its factorization.

1790945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544.

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

The square root of 1790945 is about 1338.2619325080. The cubic root of 1790945 is about 121.4397178761.

The spelling of 1790945 in words is "one million, seven hundred ninety thousand, nine hundred forty-five".