1806202 has 8 divisors (see below), whose sum is σ = 2715156. Its totient is φ = 901152.

The previous prime is 1806193. The next prime is 1806209. The reversal of 1806202 is 2026081.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1798281 + 7921 = 1341^2 + 89^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1806202.

It is not an unprimeable number, because it can be changed into a prime (1806209) 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, 918 + ... + 2110.

2^1806202 is an apocalyptic number.

1806202 is a deficient number, since it is larger than the sum of its proper divisors (908954).

1806202 is a wasteful number, since it uses less digits than its factorization.

1806202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1952.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1806202 is about 1343.9501478850. The cubic root of 1806202 is about 121.7835901904.

The spelling of 1806202 in words is "one million, eight hundred six thousand, two hundred two".