1886869896 has 64 divisors (see below), whose sum is σ = 4832352000. Its totient is φ = 613682688.

The previous prime is 1886869813. The next prime is 1886869903. The reversal of 1886869896 is 6989686881.

It is a self number, because there is not a number n which added to its sum of digits gives 1886869896.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 391276 + ... + 396068.

It is an arithmetic number, because the mean of its divisors is an integer number (75505500).

Almost surely, 2^1886869896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1886869896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2416176000).

1886869896 is an abundant number, since it is smaller than the sum of its proper divisors (2945482104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1886869896 is a wasteful number, since it uses less digits than its factorization.

1886869896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5198 (or 5194 counting only the distinct ones).

The product of its digits is 71663616, while the sum is 69.

The square root of 1886869896 is about 43438.1157049889. The cubic root of 1886869896 is about 1235.7026703875.

The spelling of 1886869896 in words is "one billion, eight hundred eighty-six million, eight hundred sixty-nine thousand, eight hundred ninety-six".