1808010 has 24 divisors (see below), whose sum is σ = 4701060. Its totient is φ = 482112.

The previous prime is 1808003. The next prime is 1808017. The reversal of 1808010 is 108081.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1808003) and next prime (1808017).

It can be written as a sum of positive squares in 2 ways, for example, as 1671849 + 136161 = 1293^2 + 369^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1808017) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 9955 + ... + 10134.

2^1808010 is an apocalyptic number.

1808010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1808010 is an abundant number, since it is smaller than the sum of its proper divisors (2893050).

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

1808010 is a wasteful number, since it uses less digits than its factorization.

1808010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20102 (or 20099 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

The square root of 1808010 is about 1344.6226236383. The cubic root of 1808010 is about 121.8242115797.

The spelling of 1808010 in words is "one million, eight hundred eight thousand, ten".