1806248 has 8 divisors (see below), whose sum is σ = 3386730. Its totient is φ = 903120.

The previous prime is 1806247. The next prime is 1806251. The reversal of 1806248 is 8426081.

It can be written as a sum of positive squares in only one way, i.e., 1747684 + 58564 = 1322^2 + 242^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1806248.

It is not an unprimeable number, because it can be changed into a prime (1806241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112883 + ... + 112898.

2^1806248 is an apocalyptic number.

It is an amenable number.

1806248 is a deficient number, since it is larger than the sum of its proper divisors (1580482).

1806248 is a wasteful number, since it uses less digits than its factorization.

1806248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225787 (or 225783 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 1806248 is about 1343.9672615060. The cubic root of 1806248 is about 121.7846240352.

The spelling of 1806248 in words is "one million, eight hundred six thousand, two hundred forty-eight".