1896192438 has 64 divisors (see below), whose sum is σ = 4709498880. Its totient is φ = 496692000.

The previous prime is 1896192433. The next prime is 1896192451. The reversal of 1896192438 is 8342916981.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1896192433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13588 + ... + 63063.

It is an arithmetic number, because the mean of its divisors is an integer number (73585920).

Almost surely, 2^1896192438 is an apocalyptic number.

1896192438 is an abundant number, since it is smaller than the sum of its proper divisors (2813306442).

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

1896192438 is a wasteful number, since it uses less digits than its factorization.

1896192438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76713.

The product of its digits is 746496, while the sum is 51.

The square root of 1896192438 is about 43545.2918006069. The cubic root of 1896192438 is about 1237.7344249697.

The spelling of 1896192438 in words is "one billion, eight hundred ninety-six million, one hundred ninety-two thousand, four hundred thirty-eight".