864212748 has 48 divisors (see below), whose sum is σ = 2440134144. Its totient is φ = 232392960.

The previous prime is 864212747. The next prime is 864212771. The reversal of 864212748 is 847212468.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (864212747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 301168 + ... + 304023.

It is an arithmetic number, because the mean of its divisors is an integer number (50836128).

Almost surely, 2^864212748 is an apocalyptic number.

It is an amenable number.

864212748 is an abundant number, since it is smaller than the sum of its proper divisors (1575921396).

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

864212748 is a wasteful number, since it uses less digits than its factorization.

864212748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605222 (or 605220 counting only the distinct ones).

The product of its digits is 172032, while the sum is 42.

The square root of 864212748 is about 29397.4956076194. The cubic root of 864212748 is about 952.5187998576.

The spelling of 864212748 in words is "eight hundred sixty-four million, two hundred twelve thousand, seven hundred forty-eight".