1672239 has 8 divisors (see below), whose sum is σ = 2360880. Its totient is φ = 1049216.

The previous prime is 1672219. The next prime is 1672243. The reversal of 1672239 is 9322761.

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

It is a cyclic number.

It is not a de Polignac number, because 1672239 - 2⁸ = 1671983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672219) 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, 16344 + ... + 16445.

It is an arithmetic number, because the mean of its divisors is an integer number (295110).

2^1672239 is an apocalyptic number.

1672239 is a deficient number, since it is larger than the sum of its proper divisors (688641).

1672239 is a wasteful number, since it uses less digits than its factorization.

1672239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32809.

The product of its digits is 4536, while the sum is 30.

The square root of 1672239 is about 1293.1508032708. The cubic root of 1672239 is about 118.6950977971.

It can be divided in two parts, 16722 and 39, that added together give a palindrome (16761).

The spelling of 1672239 in words is "one million, six hundred seventy-two thousand, two hundred thirty-nine".