19378056 has 16 divisors (see below), whose sum is σ = 48445200. Its totient is φ = 6459344.

The previous prime is 19378001. The next prime is 19378067. The reversal of 19378056 is 65087391.

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, 403686 + ... + 403733.

It is an arithmetic number, because the mean of its divisors is an integer number (3027825).

Almost surely, 2^19378056 is an apocalyptic number.

It is an amenable number.

19378056 is an abundant number, since it is smaller than the sum of its proper divisors (29067144).

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

19378056 is a wasteful number, since it uses less digits than its factorization.

19378056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807428 (or 807424 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 19378056 is about 4402.0513400005. The cubic root of 19378056 is about 268.5983881837.

The spelling of 19378056 in words is "nineteen million, three hundred seventy-eight thousand, fifty-six".