1869672328 has 16 divisors (see below), whose sum is σ = 3518027280. Its totient is φ = 931531728.

The previous prime is 1869672289. The next prime is 1869672347. The reversal of 1869672328 is 8232769681.

It is a super-2 number, since 2×1869672328² = 6991349228177879168, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 410650 + ... + 415177.

It is an arithmetic number, because the mean of its divisors is an integer number (219876705).

Almost surely, 2^1869672328 is an apocalyptic number.

It is an amenable number.

1869672328 is a deficient number, since it is larger than the sum of its proper divisors (1648354952).

1869672328 is a wasteful number, since it uses less digits than its factorization.

1869672328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826116 (or 826112 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 52.

The square root of 1869672328 is about 43239.7077695953. The cubic root of 1869672328 is about 1231.9370030896.

The spelling of 1869672328 in words is "one billion, eight hundred sixty-nine million, six hundred seventy-two thousand, three hundred twenty-eight".