1860728 has 8 divisors (see below), whose sum is σ = 3488880. Its totient is φ = 930360.

The previous prime is 1860721. The next prime is 1860731. The reversal of 1860728 is 8270681.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1860694 and 1860703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1860721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116288 + ... + 116303.

It is an arithmetic number, because the mean of its divisors is an integer number (436110).

2^1860728 is an apocalyptic number.

It is an amenable number.

1860728 is a deficient number, since it is larger than the sum of its proper divisors (1628152).

1860728 is a wasteful number, since it uses less digits than its factorization.

1860728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232597 (or 232593 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 1860728 is about 1364.0850413372. The cubic root of 1860728 is about 122.9969373728.

The spelling of 1860728 in words is "one million, eight hundred sixty thousand, seven hundred twenty-eight".