19204136 has 32 divisors (see below), whose sum is σ = 43320000. Its totient is φ = 7796736.

The previous prime is 19204123. The next prime is 19204139. The reversal of 19204136 is 63140291.

It is not an unprimeable number, because it can be changed into a prime (19204139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7961 + ... + 10088.

It is an arithmetic number, because the mean of its divisors is an integer number (1353750).

Almost surely, 2^19204136 is an apocalyptic number.

It is an amenable number.

19204136 is an abundant number, since it is smaller than the sum of its proper divisors (24115864).

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

19204136 is a wasteful number, since it uses less digits than its factorization.

19204136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18081 (or 18077 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 19204136 is about 4382.2523888977. The cubic root of 19204136 is about 267.7924062543.

The spelling of 19204136 in words is "nineteen million, two hundred four thousand, one hundred thirty-six".