1894465 has 4 divisors (see below), whose sum is σ = 2273364. Its totient is φ = 1515568.

The previous prime is 1894439. The next prime is 1894481. The reversal of 1894465 is 5644981.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 725904 + 1168561 = 852^2 + 1081^2 .

It is a cyclic number.

It is not a de Polignac number, because 1894465 - 2⁷ = 1894337 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189442 + ... + 189451.

It is an arithmetic number, because the mean of its divisors is an integer number (568341).

2^1894465 is an apocalyptic number.

It is an amenable number.

1894465 is a deficient number, since it is larger than the sum of its proper divisors (378899).

1894465 is an equidigital number, since it uses as much as digits as its factorization.

1894465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378898.

The product of its digits is 34560, while the sum is 37.

The square root of 1894465 is about 1376.3956553259. The cubic root of 1894465 is about 123.7358450633.

The spelling of 1894465 in words is "one million, eight hundred ninety-four thousand, four hundred sixty-five".