867458646 has 20 divisors (see below), whose sum is σ = 1943750292. Its totient is φ = 289152828.

The previous prime is 867458587. The next prime is 867458659. The reversal of 867458646 is 646854768.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 867458592 and 867458601.

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 9 ways as a sum of consecutive naturals, for example, 2677180 + ... + 2677503.

Almost surely, 2^867458646 is an apocalyptic number.

867458646 is an abundant number, since it is smaller than the sum of its proper divisors (1076291646).

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

867458646 is a wasteful number, since it uses less digits than its factorization.

867458646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5354697 (or 5354688 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 54.

The square root of 867458646 is about 29452.6509163437. The cubic root of 867458646 is about 953.7098322454.

The spelling of 867458646 in words is "eight hundred sixty-seven million, four hundred fifty-eight thousand, six hundred forty-six".