1671869228 has 12 divisors (see below), whose sum is σ = 2930548320. Its totient is φ = 834569712.

The previous prime is 1671869219. The next prime is 1671869263. The reversal of 1671869228 is 8229681761.

It is a super-4 number, since 4×1671869228⁴ (a number of 38 digits) contains 4444 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, 338468 + ... + 343371.

It is an arithmetic number, because the mean of its divisors is an integer number (244212360).

Almost surely, 2^1671869228 is an apocalyptic number.

It is an amenable number.

1671869228 is a deficient number, since it is larger than the sum of its proper divisors (1258679092).

1671869228 is a wasteful number, since it uses less digits than its factorization.

1671869228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682456 (or 682454 counting only the distinct ones).

The product of its digits is 580608, while the sum is 50.

The square root of 1671869228 is about 40888.4975023539. The cubic root of 1671869228 is about 1186.8634837808.

The spelling of 1671869228 in words is "one billion, six hundred seventy-one million, eight hundred sixty-nine thousand, two hundred twenty-eight".