890169868 has 36 divisors (see below), whose sum is σ = 1814316840. Its totient is φ = 381041472.

The previous prime is 890169859. The next prime is 890169869. The reversal of 890169868 is 868961098.

It is not an unprimeable number, because it can be changed into a prime (890169869) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 197496 + ... + 201952.

It is an arithmetic number, because the mean of its divisors is an integer number (50397690).

Almost surely, 2^890169868 is an apocalyptic number.

It is an amenable number.

890169868 is an abundant number, since it is smaller than the sum of its proper divisors (924146972).

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

890169868 is a wasteful number, since it uses less digits than its factorization.

890169868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5494 (or 5485 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 55.

The square root of 890169868 is about 29835.7146386675. The cubic root of 890169868 is about 961.9613647403.

The spelling of 890169868 in words is "eight hundred ninety million, one hundred sixty-nine thousand, eight hundred sixty-eight".