19029530 has 16 divisors (see below), whose sum is σ = 36888264. Its totient is φ = 7026240.

The previous prime is 19029503. The next prime is 19029551. The reversal of 19029530 is 3592091.

It can be written as a sum of positive squares in 4 ways, for example, as 4959529 + 14070001 = 2227^2 + 3751^2 .

It is a junction number, because it is equal to n+sod(n) for n = 19029493 and 19029502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73061 + ... + 73320.

Almost surely, 2^19029530 is an apocalyptic number.

19029530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19029530 is a deficient number, since it is larger than the sum of its proper divisors (17858734).

19029530 is a wasteful number, since it uses less digits than its factorization.

19029530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146401.

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 19029530 is about 4362.2849517197. The cubic root of 19029530 is about 266.9783352460.

The spelling of 19029530 in words is "nineteen million, twenty-nine thousand, five hundred thirty".