1840065 has 16 divisors (see below), whose sum is σ = 2993856. Its totient is φ = 964800.

The previous prime is 1840057. The next prime is 1840073. The reversal of 1840065 is 5600481.

It is an interprime number because it is at equal distance from previous prime (1840057) and next prime (1840073).

It is not a de Polignac number, because 1840065 - 2³ = 1840057 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91 + ... + 1920.

It is an arithmetic number, because the mean of its divisors is an integer number (187116).

2^1840065 is an apocalyptic number.

1840065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1840065 is a deficient number, since it is larger than the sum of its proper divisors (1153791).

1840065 is a wasteful number, since it uses less digits than its factorization.

1840065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2080.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 1840065 is about 1356.4899557313. The cubic root of 1840065 is about 122.5399564230.

The spelling of 1840065 in words is "one million, eight hundred forty thousand, sixty-five".