1673231 has 8 divisors (see below), whose sum is σ = 1926144. Its totient is φ = 1423800.

The previous prime is 1673209. The next prime is 1673237. The reversal of 1673231 is 1323761.

It is a happy number.

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

It is not a de Polignac number, because 1673231 - 2⁶ = 1673167 is a prime.

It is a super-2 number, since 2×1673231² = 5599403958722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1673197 and 1673206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1673237) 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, 266 + ... + 1848.

It is an arithmetic number, because the mean of its divisors is an integer number (240768).

2^1673231 is an apocalyptic number.

1673231 is a deficient number, since it is larger than the sum of its proper divisors (252913).

1673231 is a wasteful number, since it uses less digits than its factorization.

1673231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1741.

The product of its digits is 756, while the sum is 23.

The square root of 1673231 is about 1293.5343056912. The cubic root of 1673231 is about 118.7185637933.

Adding to 1673231 its reverse (1323761), we get a palindrome (2996992).

The spelling of 1673231 in words is "one million, six hundred seventy-three thousand, two hundred thirty-one".