199530396 has 72 divisors (see below), whose sum is σ = 544833744. Its totient is φ = 61205760.

The previous prime is 199530371. The next prime is 199530427. The reversal of 199530396 is 693035991.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 288411 + ... + 289101.

Almost surely, 2^199530396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 199530396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272416872).

199530396 is an abundant number, since it is smaller than the sum of its proper divisors (345303348).

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

199530396 is a wasteful number, since it uses less digits than its factorization.

199530396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331 (or 1326 counting only the distinct ones).

The product of its (nonzero) digits is 196830, while the sum is 45.

The square root of 199530396 is about 14125.5228575795. The cubic root of 199530396 is about 584.3454787950.

The spelling of 199530396 in words is "one hundred ninety-nine million, five hundred thirty thousand, three hundred ninety-six".