1808148 has 24 divisors (see below), whose sum is σ = 4300128. Its totient is φ = 591136.

The previous prime is 1808119. The next prime is 1808161. The reversal of 1808148 is 8418081.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 786 + ... + 2057.

It is an arithmetic number, because the mean of its divisors is an integer number (179172).

2^1808148 is an apocalyptic number.

It is an amenable number.

1808148 is an abundant number, since it is smaller than the sum of its proper divisors (2491980).

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

1808148 is a wasteful number, since it uses less digits than its factorization.

1808148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2903 (or 2901 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 30.

The square root of 1808148 is about 1344.6739381724. The cubic root of 1808148 is about 121.8273109935.

The spelling of 1808148 in words is "one million, eight hundred eight thousand, one hundred forty-eight".