1880685 has 16 divisors (see below), whose sum is σ = 3343680. Its totient is φ = 1002960.

The previous prime is 1880663. The next prime is 1880689. The reversal of 1880685 is 5860881.

It is not a de Polignac number, because 1880685 - 2⁵ = 1880653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1880689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6831 + ... + 7100.

It is an arithmetic number, because the mean of its divisors is an integer number (208980).

2^1880685 is an apocalyptic number.

1880685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1880685 is a deficient number, since it is larger than the sum of its proper divisors (1462995).

1880685 is a wasteful number, since it uses less digits than its factorization.

1880685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13945 (or 13939 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 36.

The square root of 1880685 is about 1371.3806911285. The cubic root of 1880685 is about 123.4351038898.

The spelling of 1880685 in words is "one million, eight hundred eighty thousand, six hundred eighty-five".