1896506 has 4 divisors (see below), whose sum is σ = 2844762. Its totient is φ = 948252.

The previous prime is 1896473. The next prime is 1896527. The reversal of 1896506 is 6056981.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1729225 + 167281 = 1315^2 + 409^2 .

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 as a sum of consecutive naturals, namely, 474125 + ... + 474128.

2^1896506 is an apocalyptic number.

1896506 is a deficient number, since it is larger than the sum of its proper divisors (948256).

1896506 is an equidigital number, since it uses as much as digits as its factorization.

1896506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948255.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 1896506 is about 1377.1368849900. The cubic root of 1896506 is about 123.7802646789.

The spelling of 1896506 in words is "one million, eight hundred ninety-six thousand, five hundred six".