1673946 has 20 divisors (see below), whose sum is σ = 3751242. Its totient is φ = 557928.

The previous prime is 1673941. The next prime is 1673951. The reversal of 1673946 is 6493761.

It is an interprime number because it is at equal distance from previous prime (1673941) and next prime (1673951).

It can be written as a sum of positive squares in only one way, i.e., 1265625 + 408321 = 1125^2 + 639^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1673946.

It is not an unprimeable number, because it can be changed into a prime (1673941) 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 9 ways as a sum of consecutive naturals, for example, 5005 + ... + 5328.

2^1673946 is an apocalyptic number.

1673946 is an abundant number, since it is smaller than the sum of its proper divisors (2077296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1673946 is a wasteful number, since it uses less digits than its factorization.

1673946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10347 (or 10338 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 1673946 is about 1293.8106507523. The cubic root of 1673946 is about 118.7354715375.

The spelling of 1673946 in words is "one million, six hundred seventy-three thousand, nine hundred forty-six".