199403030 has 16 divisors (see below), whose sum is σ = 380039040. Its totient is φ = 75069312.

The previous prime is 199403023. The next prime is 199403033. The reversal of 199403030 is 30304991.

199403030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 199402984 and 199403002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199403033) 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, 586310 + ... + 586649.

It is an arithmetic number, because the mean of its divisors is an integer number (23752440).

Almost surely, 2^199403030 is an apocalyptic number.

199403030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

199403030 is a deficient number, since it is larger than the sum of its proper divisors (180636010).

199403030 is a wasteful number, since it uses less digits than its factorization.

199403030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172983.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 199403030 is about 14121.0137738053. The cubic root of 199403030 is about 584.2211174790.

It can be divided in two parts, 19 and 9403030, that added together give a palindrome (9403049).

The spelling of 199403030 in words is "one hundred ninety-nine million, four hundred three thousand, thirty".