1840115 has 8 divisors (see below), whose sum is σ = 2304288. Its totient is φ = 1408000.

The previous prime is 1840109. The next prime is 1840117. The reversal of 1840115 is 5110481.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1840115 - 2⁶ = 1840051 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 (1840117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7886 + ... + 8115.

It is an arithmetic number, because the mean of its divisors is an integer number (288036).

2^1840115 is an apocalyptic number.

1840115 is a deficient number, since it is larger than the sum of its proper divisors (464173).

1840115 is a wasteful number, since it uses less digits than its factorization.

1840115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16029.

The product of its (nonzero) digits is 160, while the sum is 20.

The square root of 1840115 is about 1356.5083855251. The cubic root of 1840115 is about 122.5410663371.

Adding to 1840115 its reverse (5110481), we get a palindrome (6950596).

It can be divided in two parts, 1840 and 115, that multiplied together give a square (211600 = 460²).

The spelling of 1840115 in words is "one million, eight hundred forty thousand, one hundred fifteen".