867048444 has 18 divisors (see below), whose sum is σ = 2191705880. Its totient is φ = 289016136.

The previous prime is 867048419. The next prime is 867048487. The reversal of 867048444 is 444840768.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×867048444² = 1503546008485642272, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 867048444.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12042304 + ... + 12042375.

Almost surely, 2^867048444 is an apocalyptic number.

It is an amenable number.

867048444 is an abundant number, since it is smaller than the sum of its proper divisors (1324657436).

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

867048444 is a wasteful number, since it uses less digits than its factorization.

867048444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24084689 (or 24084684 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 45.

The square root of 867048444 is about 29445.6863394284. The cubic root of 867048444 is about 953.5594791175.

The spelling of 867048444 in words is "eight hundred sixty-seven million, forty-eight thousand, four hundred forty-four".