181797852 has 24 divisors (see below), whose sum is σ = 446521600. Its totient is φ = 57409776.

The previous prime is 181797841. The next prime is 181797853. The reversal of 181797852 is 258797181.

It is a happy number.

181797852 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (181797853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 398452 + ... + 398907.

Almost surely, 2^181797852 is an apocalyptic number.

181797852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

181797852 is an abundant number, since it is smaller than the sum of its proper divisors (264723748).

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

181797852 is a wasteful number, since it uses less digits than its factorization.

181797852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797385 (or 797383 counting only the distinct ones).

The product of its digits is 282240, while the sum is 48.

The square root of 181797852 is about 13483.2433783567. The cubic root of 181797852 is about 566.4952193365.

The spelling of 181797852 in words is "one hundred eighty-one million, seven hundred ninety-seven thousand, eight hundred fifty-two".