19248380 has 24 divisors (see below), whose sum is σ = 41283648. Its totient is φ = 7535168.

The previous prime is 19248379. The next prime is 19248409. The reversal of 19248380 is 8384291.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 19248380.

It is a congruent number.

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, 9299 + ... + 11178.

It is an arithmetic number, because the mean of its divisors is an integer number (1720152).

Almost surely, 2^19248380 is an apocalyptic number.

19248380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19248380 is an abundant number, since it is smaller than the sum of its proper divisors (22035268).

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

19248380 is a wasteful number, since it uses less digits than its factorization.

19248380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20533 (or 20531 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 19248380 is about 4387.2975736779. The cubic root of 19248380 is about 267.9979022632.

The spelling of 19248380 in words is "nineteen million, two hundred forty-eight thousand, three hundred eighty".