19142808 has 32 divisors (see below), whose sum is σ = 49939200. Its totient is φ = 6103328.

The previous prime is 19142803. The next prime is 19142819. The reversal of 19142808 is 80824191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19142803) 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, 16788 + ... + 17891.

It is an arithmetic number, because the mean of its divisors is an integer number (1560600).

Almost surely, 2^19142808 is an apocalyptic number.

It is an amenable number.

19142808 is an abundant number, since it is smaller than the sum of its proper divisors (30796392).

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

19142808 is a wasteful number, since it uses less digits than its factorization.

19142808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34711 (or 34707 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 19142808 is about 4375.2494786012. The cubic root of 19142808 is about 267.5070391486.

Adding to 19142808 its reverse (80824191), we get a palindrome (99966999).

The spelling of 19142808 in words is "nineteen million, one hundred forty-two thousand, eight hundred eight".