1896538 has 8 divisors (see below), whose sum is σ = 3251232. Its totient is φ = 812796.

The previous prime is 1896529. The next prime is 1896547. The reversal of 1896538 is 8356981.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1896529) and next prime (1896547).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1896538.

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 3 ways as a sum of consecutive naturals, for example, 67720 + ... + 67747.

It is an arithmetic number, because the mean of its divisors is an integer number (406404).

2^1896538 is an apocalyptic number.

1896538 is a deficient number, since it is larger than the sum of its proper divisors (1354694).

1896538 is a wasteful number, since it uses less digits than its factorization.

1896538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135476.

The product of its digits is 51840, while the sum is 40.

The square root of 1896538 is about 1377.1485032487. The cubic root of 1896538 is about 123.7809608619.

The spelling of 1896538 in words is "one million, eight hundred ninety-six thousand, five hundred thirty-eight".