1869328 has 10 divisors (see below), whose sum is σ = 3621854. Its totient is φ = 934656.

The previous prime is 1869319. The next prime is 1869341. The reversal of 1869328 is 8239681.

It can be written as a sum of positive squares in only one way, i.e., 1183744 + 685584 = 1088^2 + 828^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58401 + ... + 58432.

2^1869328 is an apocalyptic number.

It is an amenable number.

1869328 is a deficient number, since it is larger than the sum of its proper divisors (1752526).

1869328 is a wasteful number, since it uses less digits than its factorization.

1869328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116841 (or 116835 counting only the distinct ones).

The product of its digits is 20736, while the sum is 37.

The square root of 1869328 is about 1367.2337035050. The cubic root of 1869328 is about 123.1861371932.

It can be divided in two parts, 18693 and 28, that added together give a triangular number (18721 = T₁₉₃).

The spelling of 1869328 in words is "one million, eight hundred sixty-nine thousand, three hundred twenty-eight".