869669244 has 48 divisors (see below), whose sum is σ = 2274683040. Its totient is φ = 287320320.

The previous prime is 869669233. The next prime is 869669267. The reversal of 869669244 is 442966968.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23427 + ... + 47834.

It is an arithmetic number, because the mean of its divisors is an integer number (47389230).

Almost surely, 2^869669244 is an apocalyptic number.

It is an amenable number.

869669244 is an abundant number, since it is smaller than the sum of its proper divisors (1405013796).

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

869669244 is a wasteful number, since it uses less digits than its factorization.

869669244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71387 (or 71379 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 54.

The square root of 869669244 is about 29490.1550351978. The cubic root of 869669244 is about 954.5192774417.

The spelling of 869669244 in words is "eight hundred sixty-nine million, six hundred sixty-nine thousand, two hundred forty-four".