1896493 has 4 divisors (see below), whose sum is σ = 1903968. Its totient is φ = 1889020.

The previous prime is 1896473. The next prime is 1896527. The reversal of 1896493 is 3946981.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1896493 - 2⁹ = 1895981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1896413) by changing a digit.

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, 3343 + ... + 3868.

It is an arithmetic number, because the mean of its divisors is an integer number (475992).

2^1896493 is an apocalyptic number.

It is an amenable number.

1896493 is a deficient number, since it is larger than the sum of its proper divisors (7475).

1896493 is an equidigital number, since it uses as much as digits as its factorization.

1896493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7474.

The product of its digits is 46656, while the sum is 40.

The square root of 1896493 is about 1377.1321650444. The cubic root of 1896493 is about 123.7799818522.

The spelling of 1896493 in words is "one million, eight hundred ninety-six thousand, four hundred ninety-three".