1001673 has 16 divisors (see below), whose sum is σ = 1549440. Its totient is φ = 638352.

The previous prime is 1001669. The next prime is 1001683. The reversal of 1001673 is 3761001.

1001673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1001673 - 2² = 1001669 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1001683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186 + ... + 1427.

It is an arithmetic number, because the mean of its divisors is an integer number (96840).

2^1001673 is an apocalyptic number.

It is an amenable number.

1001673 is a deficient number, since it is larger than the sum of its proper divisors (547767).

1001673 is a wasteful number, since it uses less digits than its factorization.

1001673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645 (or 1639 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 1001673 is about 1000.8361504262. The cubic root of 1001673 is about 100.0557355963.

Adding to 1001673 its reverse (3761001), we get a palindrome (4762674).

The spelling of 1001673 in words is "one million, one thousand, six hundred seventy-three".