1896243 has 4 divisors (see below), whose sum is σ = 2528328. Its totient is φ = 1264160.

The previous prime is 1896241. The next prime is 1896247. The reversal of 1896243 is 3426981.

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

It is a cyclic number.

It is not a de Polignac number, because 1896243 - 2¹ = 1896241 is a prime.

It is a D-number.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (1896241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316038 + ... + 316043.

It is an arithmetic number, because the mean of its divisors is an integer number (632082).

2^1896243 is an apocalyptic number.

1896243 is a deficient number, since it is larger than the sum of its proper divisors (632085).

1896243 is an equidigital number, since it uses as much as digits as its factorization.

1896243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632084.

The product of its digits is 10368, while the sum is 33.

The square root of 1896243 is about 1377.0413937133. The cubic root of 1896243 is about 123.7745426274.

The spelling of 1896243 in words is "one million, eight hundred ninety-six thousand, two hundred forty-three".