864470442 has 32 divisors (see below), whose sum is σ = 1937098944. Its totient is φ = 254880000.

The previous prime is 864470437. The next prime is 864470443. The reversal of 864470442 is 244074468.

864470442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 864470442.

It is not an unprimeable number, because it can be changed into a prime (864470443) 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, 174559 + ... + 179442.

It is an arithmetic number, because the mean of its divisors is an integer number (60534342).

Almost surely, 2^864470442 is an apocalyptic number.

864470442 is an abundant number, since it is smaller than the sum of its proper divisors (1072628502).

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

864470442 is a wasteful number, since it uses less digits than its factorization.

864470442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354054.

The product of its (nonzero) digits is 172032, while the sum is 39.

The square root of 864470442 is about 29401.8782053120. The cubic root of 864470442 is about 952.6134655855.

The spelling of 864470442 in words is "eight hundred sixty-four million, four hundred seventy thousand, four hundred forty-two".