1864115 has 8 divisors (see below), whose sum is σ = 2440368. Its totient is φ = 1355680.

The previous prime is 1864111. The next prime is 1864117. The reversal of 1864115 is 5114681.

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

It is not a de Polignac number, because 1864115 - 2² = 1864111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1864111) 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, 16892 + ... + 17001.

It is an arithmetic number, because the mean of its divisors is an integer number (305046).

2^1864115 is an apocalyptic number.

1864115 is a deficient number, since it is larger than the sum of its proper divisors (576253).

1864115 is a wasteful number, since it uses less digits than its factorization.

1864115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33909.

The product of its digits is 960, while the sum is 26.

The square root of 1864115 is about 1365.3259684046. The cubic root of 1864115 is about 123.0715207464.

Adding to 1864115 its reverse (5114681), we get a palindrome (6978796).

The spelling of 1864115 in words is "one million, eight hundred sixty-four thousand, one hundred fifteen".