856484024 has 32 divisors (see below), whose sum is σ = 1771599600. Its totient is φ = 384933120.

The previous prime is 856484023. The next prime is 856484047. The reversal of 856484024 is 420484658.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (856484023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46847 + ... + 62510.

Almost surely, 2^856484024 is an apocalyptic number.

It is an amenable number.

856484024 is an abundant number, since it is smaller than the sum of its proper divisors (915115576).

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

856484024 is a wasteful number, since it uses less digits than its factorization.

856484024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109463 (or 109459 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 41.

The square root of 856484024 is about 29265.7483075352. The cubic root of 856484024 is about 949.6708089346.

The spelling of 856484024 in words is "eight hundred fifty-six million, four hundred eighty-four thousand, twenty-four".