2167206 has 12 divisors (see below), whose sum is σ = 4341636. Its totient is φ = 721200.

The previous prime is 2167189. The next prime is 2167237. The reversal of 2167206 is 6027612.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3306 + ... + 3906.

It is an arithmetic number, because the mean of its divisors is an integer number (361803).

2^2167206 is an apocalyptic number.

2167206 is an abundant number, since it is smaller than the sum of its proper divisors (2174430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2167206 is an frugal number, since it uses more digits than its factorization.

2167206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207 (or 606 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 2167206 is about 1472.1433354127. The cubic root of 2167206 is about 129.4096705138.

Multiplying 2167206 by its sum of digits (24), we get a square (52012944 = 7212²).

The spelling of 2167206 in words is "two million, one hundred sixty-seven thousand, two hundred six".