867839484 has 12 divisors (see below), whose sum is σ = 2024958824. Its totient is φ = 289279824.

The previous prime is 867839429. The next prime is 867839491. The reversal of 867839484 is 484938768.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 36159967 + ... + 36159990.

Almost surely, 2^867839484 is an apocalyptic number.

It is an amenable number.

867839484 is an abundant number, since it is smaller than the sum of its proper divisors (1157119340).

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

867839484 is a wasteful number, since it uses less digits than its factorization.

867839484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72319964 (or 72319962 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 57.

The square root of 867839484 is about 29459.1154653360. The cubic root of 867839484 is about 953.8493800332.

The spelling of 867839484 in words is "eight hundred sixty-seven million, eight hundred thirty-nine thousand, four hundred eighty-four".