1672211 has 4 divisors (see below), whose sum is σ = 1695192. Its totient is φ = 1649232.

The previous prime is 1672199. The next prime is 1672219. The reversal of 1672211 is 1122761.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1672211 - 2¹⁴ = 1655827 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 11381 + ... + 11526.

It is an arithmetic number, because the mean of its divisors is an integer number (423798).

2^1672211 is an apocalyptic number.

1672211 is a deficient number, since it is larger than the sum of its proper divisors (22981).

1672211 is an equidigital number, since it uses as much as digits as its factorization.

1672211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22980.

The product of its digits is 168, while the sum is 20.

The square root of 1672211 is about 1293.1399769553. The cubic root of 1672211 is about 118.6944353158.

Adding to 1672211 its reverse (1122761), we get a palindrome (2794972).

It can be divided in two parts, 16 and 72211, that added together give a palindrome (72227).

The spelling of 1672211 in words is "one million, six hundred seventy-two thousand, two hundred eleven".