1896605 has 16 divisors (see below), whose sum is σ = 2461104. Its totient is φ = 1397760.

The previous prime is 1896593. The next prime is 1896607. The reversal of 1896605 is 5066981.

It can be written as a sum of positive squares in 8 ways, for example, as 52441 + 1844164 = 229^2 + 1358^2 .

It is not a de Polignac number, because 1896605 - 2¹⁰ = 1895581 is a prime.

It is a super-2 number, since 2×1896605² = 7194221052050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1896607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4295 + ... + 4715.

It is an arithmetic number, because the mean of its divisors is an integer number (153819).

2^1896605 is an apocalyptic number.

It is an amenable number.

1896605 is a deficient number, since it is larger than the sum of its proper divisors (564499).

1896605 is a wasteful number, since it uses less digits than its factorization.

1896605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496.

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

The square root of 1896605 is about 1377.1728286602. The cubic root of 1896605 is about 123.7824184699.

The spelling of 1896605 in words is "one million, eight hundred ninety-six thousand, six hundred five".