1808152 has 16 divisors (see below), whose sum is σ = 3434400. Its totient is φ = 892320.

The previous prime is 1808119. The next prime is 1808161. The reversal of 1808152 is 2518081.

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 3 ways as a sum of consecutive naturals, for example, 799 + ... + 2062.

It is an arithmetic number, because the mean of its divisors is an integer number (214650).

2^1808152 is an apocalyptic number.

It is an amenable number.

1808152 is a deficient number, since it is larger than the sum of its proper divisors (1626248).

1808152 is a wasteful number, since it uses less digits than its factorization.

1808152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2946 (or 2942 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 25.

The square root of 1808152 is about 1344.6754255210. The cubic root of 1808152 is about 121.8274008293.

The spelling of 1808152 in words is "one million, eight hundred eight thousand, one hundred fifty-two".