199421352 has 144 divisors (see below), whose sum is σ = 607501440. Its totient is φ = 61259328.

The previous prime is 199421347. The next prime is 199421363. The reversal of 199421352 is 253124991.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 328233 + ... + 328839.

It is an arithmetic number, because the mean of its divisors is an integer number (4218760).

Almost surely, 2^199421352 is an apocalyptic number.

199421352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 199421352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303750720).

199421352 is an abundant number, since it is smaller than the sum of its proper divisors (408080088).

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

199421352 is a wasteful number, since it uses less digits than its factorization.

199421352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654 (or 625 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 199421352 is about 14121.6625083593. The cubic root of 199421352 is about 584.2390105061.

The spelling of 199421352 in words is "one hundred ninety-nine million, four hundred twenty-one thousand, three hundred fifty-two".