1802204 has 18 divisors (see below), whose sum is σ = 3352440. Its totient is φ = 847552.

The previous prime is 1802197. The next prime is 1802219. The reversal of 1802204 is 4022081.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an Ulam 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, 377 + ... + 1935.

2^1802204 is an apocalyptic number.

It is an amenable number.

1802204 is a deficient number, since it is larger than the sum of its proper divisors (1550236).

1802204 is a wasteful number, since it uses less digits than its factorization.

1802204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1597 (or 1578 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1802204 is about 1342.4619175232. The cubic root of 1802204 is about 121.6936684508.

Adding to 1802204 its reverse (4022081), we get a palindrome (5824285).

The spelling of 1802204 in words is "one million, eight hundred two thousand, two hundred four".