1186880 has 28 divisors (see below), whose sum is σ = 2827020. Its totient is φ = 474624.

The previous prime is 1186879. The next prime is 1186931. The reversal of 1186880 is 886811.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 369664 + 817216 = 608^2 + 904^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1535 + ... + 2174.

It is an arithmetic number, because the mean of its divisors is an integer number (100965).

2^1186880 is an apocalyptic number.

1186880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1186880 is an abundant number, since it is smaller than the sum of its proper divisors (1640140).

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

1186880 is an equidigital number, since it uses as much as digits as its factorization.

1186880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3726 (or 3716 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 32.

The square root of 1186880 is about 1089.4402232339. The cubic root of 1186880 is about 105.8771568498.

The spelling of 1186880 in words is "one million, one hundred eighty-six thousand, eight hundred eighty".