1886115 has 64 divisors (see below), whose sum is σ = 3981312. Its totient is φ = 739200.

The previous prime is 1886113. The next prime is 1886119. The reversal of 1886115 is 5116881.

It is a happy number.

It is not a de Polignac number, because 1886115 - 2¹ = 1886113 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

Its product of digits (1920) is a multiple of the sum of its prime divisors (120).

1886115 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1886113) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26530 + ... + 26600.

It is an arithmetic number, because the mean of its divisors is an integer number (62208).

2^1886115 is an apocalyptic number.

1886115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1886115 is an abundant number, since it is smaller than the sum of its proper divisors (2095197).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1886115 is a wasteful number, since it uses less digits than its factorization.

1886115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120.

The product of its digits is 1920, while the sum is 30.

The square root of 1886115 is about 1373.3590207954. The cubic root of 1886115 is about 123.5537855733.

The spelling of 1886115 in words is "one million, eight hundred eighty-six thousand, one hundred fifteen".