867039228 has 120 divisors (see below), whose sum is σ = 2510264064. Its totient is φ = 258746400.

The previous prime is 867039227. The next prime is 867039281. The reversal of 867039228 is 822930768.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867039227) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 236973 + ... + 240603.

Almost surely, 2^867039228 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 867039228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1255132032).

867039228 is an abundant number, since it is smaller than the sum of its proper divisors (1643224836).

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

867039228 is a wasteful number, since it uses less digits than its factorization.

867039228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3725 (or 3714 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 867039228 is about 29445.5298474998. The cubic root of 867039228 is about 953.5561005923.

The spelling of 867039228 in words is "eight hundred sixty-seven million, thirty-nine thousand, two hundred twenty-eight".