1872206 has 16 divisors (see below), whose sum is σ = 3232224. Its totient is φ = 796704.

The previous prime is 1872173. The next prime is 1872217. The reversal of 1872206 is 6022781.

It is a d-powerful number, because it can be written as 1 + 8² + 7⁷ + 2⁴ + 2²⁰ + 0 + 6 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2036 + ... + 2808.

It is an arithmetic number, because the mean of its divisors is an integer number (202014).

2^1872206 is an apocalyptic number.

1872206 is a deficient number, since it is larger than the sum of its proper divisors (1360018).

1872206 is a wasteful number, since it uses less digits than its factorization.

1872206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 1872206 is about 1368.2857888614. The cubic root of 1872206 is about 123.2493235209.

Adding to 1872206 its reverse (6022781), we get a palindrome (7894987).

The spelling of 1872206 in words is "one million, eight hundred seventy-two thousand, two hundred six".