869284372 has 12 divisors (see below), whose sum is σ = 1659542976. Its totient is φ = 395129240.

The previous prime is 869284303. The next prime is 869284373. The reversal of 869284372 is 273482968.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (869284373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9878188 + ... + 9878275.

It is an arithmetic number, because the mean of its divisors is an integer number (138295248).

Almost surely, 2^869284372 is an apocalyptic number.

It is an amenable number.

869284372 is a deficient number, since it is larger than the sum of its proper divisors (790258604).

869284372 is a wasteful number, since it uses less digits than its factorization.

869284372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19756478 (or 19756476 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 49.

The square root of 869284372 is about 29483.6288811266. The cubic root of 869284372 is about 954.3784492084.

The spelling of 869284372 in words is "eight hundred sixty-nine million, two hundred eighty-four thousand, three hundred seventy-two".