199452 has 24 divisors (see below), whose sum is σ = 508032. Its totient is φ = 60400.

The previous prime is 199447. The next prime is 199453. The reversal of 199452 is 254991.

It is a happy number.

199452 is an esthetic number in base 3, because in such base its adjacent digits differ by 1.

It is a super-2 number, since 2×199452² = 79562200608, which contains 22 as substring.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199453) by changing a digit.

199452 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 624 + ... + 887.

It is an arithmetic number, because the mean of its divisors is an integer number (21168).

2¹⁹⁹⁴⁵² is an apocalyptic number.

199452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

199452 is an abundant number, since it is smaller than the sum of its proper divisors (308580).

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

199452 is a wasteful number, since it uses less digits than its factorization.

199452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529 (or 1527 counting only the distinct ones).

The product of its digits is 3240, while the sum is 30.

The square root of 199452 is about 446.6004926106. The cubic root of 199452 is about 58.4268938495.

The spelling of 199452 in words is "one hundred ninety-nine thousand, four hundred fifty-two".