19300030 has 16 divisors (see below), whose sum is σ = 34935264. Its totient is φ = 7676640.

The previous prime is 19300027. The next prime is 19300031. The reversal of 19300030 is 3000391.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 19299977 and 19300013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19300031) 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, 3522 + ... + 7141.

It is an arithmetic number, because the mean of its divisors is an integer number (2183454).

Almost surely, 2^19300030 is an apocalyptic number.

19300030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19300030 is a deficient number, since it is larger than the sum of its proper divisors (15635234).

19300030 is a wasteful number, since it uses less digits than its factorization.

19300030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10851.

The product of its (nonzero) digits is 81, while the sum is 16.

The square root of 19300030 is about 4393.1799416823. The cubic root of 19300030 is about 268.2373982459.

The spelling of 19300030 in words is "nineteen million, three hundred thousand, thirty".