19488930 has 16 divisors (see below), whose sum is σ = 46773504. Its totient is φ = 5197040.

The previous prime is 19488929. The next prime is 19488943. The reversal of 19488930 is 3988491.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324786 + ... + 324845.

It is an arithmetic number, because the mean of its divisors is an integer number (2923344).

Almost surely, 2^19488930 is an apocalyptic number.

19488930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19488930 is an abundant number, since it is smaller than the sum of its proper divisors (27284574).

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

19488930 is a wasteful number, since it uses less digits than its factorization.

19488930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649641.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 19488930 is about 4414.6268245459. The cubic root of 19488930 is about 269.1096874900.

It can be divided in two parts, 1948 and 8930, that added together give a triangular number (10878 = T₁₄₇).

The spelling of 19488930 in words is "nineteen million, four hundred eighty-eight thousand, nine hundred thirty".