867397344 has 192 divisors, whose sum is σ = 2633637888. Its totient is φ = 247385600.

The previous prime is 867397313. The next prime is 867397357. The reversal of 867397344 is 443793768.

It is a happy number.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 1724197 + ... + 1724699.

It is an arithmetic number, because the mean of its divisors is an integer number (13716864).

Almost surely, 2^867397344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 867397344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1316818944).

867397344 is an abundant number, since it is smaller than the sum of its proper divisors (1766240544).

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

867397344 is a wasteful number, since it uses less digits than its factorization.

867397344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621 (or 613 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 51.

The square root of 867397344 is about 29451.6102106489. The cubic root of 867397344 is about 953.6873659689.

The spelling of 867397344 in words is "eight hundred sixty-seven million, three hundred ninety-seven thousand, three hundred forty-four".