19238065 has 32 divisors (see below), whose sum is σ = 29113344. Its totient is φ = 11855040.

The previous prime is 19238053. The next prime is 19238081. The reversal of 19238065 is 56083291.

It is not a de Polignac number, because 19238065 - 2⁹ = 19237553 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 19238065.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40962 + ... + 41428.

It is an arithmetic number, because the mean of its divisors is an integer number (909792).

Almost surely, 2^19238065 is an apocalyptic number.

It is an amenable number.

19238065 is a deficient number, since it is larger than the sum of its proper divisors (9875279).

19238065 is a wasteful number, since it uses less digits than its factorization.

19238065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 19238065 is about 4386.1218633321. The cubic root of 19238065 is about 267.9500213106.

The spelling of 19238065 in words is "nineteen million, two hundred thirty-eight thousand, sixty-five".