19799480 has 16 divisors (see below), whose sum is σ = 44548920. Its totient is φ = 7919776.

The previous prime is 19799467. The next prime is 19799491. The reversal of 19799480 is 8499791.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247454 + ... + 247533.

Almost surely, 2^19799480 is an apocalyptic number.

19799480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19799480 is an abundant number, since it is smaller than the sum of its proper divisors (24749440).

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

19799480 is a wasteful number, since it uses less digits than its factorization.

19799480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494998 (or 494994 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 47.

The square root of 19799480 is about 4449.6606612190. The cubic root of 19799480 is about 270.5315545684.

The spelling of 19799480 in words is "nineteen million, seven hundred ninety-nine thousand, four hundred eighty".