869636466 has 32 divisors (see below), whose sum is σ = 1936941120. Its totient is φ = 289216512.

The previous prime is 869636413. The next prime is 869636473. The reversal of 869636466 is 664636968.

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

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, 5746 + ... + 42098.

It is an arithmetic number, because the mean of its divisors is an integer number (60529410).

Almost surely, 2^869636466 is an apocalyptic number.

869636466 is an abundant number, since it is smaller than the sum of its proper divisors (1067304654).

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

869636466 is a wasteful number, since it uses less digits than its factorization.

869636466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36807 (or 36801 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 54.

The square root of 869636466 is about 29489.5992851717. The cubic root of 869636466 is about 954.5072852864.

The spelling of 869636466 in words is "eight hundred sixty-nine million, six hundred thirty-six thousand, four hundred sixty-six".