1880664 has 32 divisors (see below), whose sum is σ = 4907520. Its totient is φ = 599456.

The previous prime is 1880663. The next prime is 1880689. The reversal of 1880664 is 4660881.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1880663) 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, 1152 + ... + 2255.

It is an arithmetic number, because the mean of its divisors is an integer number (153360).

2^1880664 is an apocalyptic number.

It is an amenable number.

1880664 is an abundant number, since it is smaller than the sum of its proper divisors (3026856).

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

1880664 is a wasteful number, since it uses less digits than its factorization.

1880664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3439 (or 3435 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 1880664 is about 1371.3730345898. The cubic root of 1880664 is about 123.4346444567.

The spelling of 1880664 in words is "one million, eight hundred eighty thousand, six hundred sixty-four".