1887728 has 20 divisors (see below), whose sum is σ = 3690240. Its totient is φ = 935424.

The previous prime is 1887727. The next prime is 1887737. The reversal of 1887728 is 8277881.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1887727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1568 + ... + 2496.

It is an arithmetic number, because the mean of its divisors is an integer number (184512).

2^1887728 is an apocalyptic number.

It is an amenable number.

1887728 is a deficient number, since it is larger than the sum of its proper divisors (1802512).

1887728 is a wasteful number, since it uses less digits than its factorization.

1887728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064 (or 1058 counting only the distinct ones).

The product of its digits is 50176, while the sum is 41.

The square root of 1887728 is about 1373.9461415936. The cubic root of 1887728 is about 123.5889964824.

The spelling of 1887728 in words is "one million, eight hundred eighty-seven thousand, seven hundred twenty-eight".