869958444 has 24 divisors (see below), whose sum is σ = 2042062848. Its totient is φ = 288249040.

The previous prime is 869958409. The next prime is 869958461. The reversal of 869958444 is 444859968.

869958444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×869958444² = 1513655388573802272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215052 + ... + 219059.

It is an arithmetic number, because the mean of its divisors is an integer number (85085952).

Almost surely, 2^869958444 is an apocalyptic number.

It is an amenable number.

869958444 is an abundant number, since it is smaller than the sum of its proper divisors (1172104404).

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

869958444 is a wasteful number, since it uses less digits than its factorization.

869958444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434285 (or 434283 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 57.

The square root of 869958444 is about 29495.0579589192. The cubic root of 869958444 is about 954.6250710652.

The spelling of 869958444 in words is "eight hundred sixty-nine million, nine hundred fifty-eight thousand, four hundred forty-four".