866495424 has 56 divisors (see below), whose sum is σ = 2295255760. Its totient is φ = 288497664.

The previous prime is 866495407. The next prime is 866495429. The reversal of 866495424 is 424594668.

866495424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (866495429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207792 + ... + 211920.

It is an arithmetic number, because the mean of its divisors is an integer number (40986710).

Almost surely, 2^866495424 is an apocalyptic number.

It is an amenable number.

866495424 is an abundant number, since it is smaller than the sum of its proper divisors (1428760336).

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

866495424 is a wasteful number, since it uses less digits than its factorization.

866495424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5237 (or 5227 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 48.

The square root of 866495424 is about 29436.2943319977. The cubic root of 866495424 is about 953.3567032051.

The spelling of 866495424 in words is "eight hundred sixty-six million, four hundred ninety-five thousand, four hundred twenty-four".