84853520 has 40 divisors (see below), whose sum is σ = 200076480. Its totient is φ = 33461120.

The previous prime is 84853519. The next prime is 84853529. The reversal of 84853520 is 2535848.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (84853529) 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, 1790 + ... + 13149.

It is an arithmetic number, because the mean of its divisors is an integer number (5001912).

Almost surely, 2^84853520 is an apocalyptic number.

84853520 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

84853520 is an abundant number, since it is smaller than the sum of its proper divisors (115222960).

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

84853520 is a wasteful number, since it uses less digits than its factorization.

84853520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15023 (or 15017 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 84853520 is about 9211.5970385162. The cubic root of 84853520 is about 439.4302543036.

The spelling of 84853520 in words is "eighty-four million, eight hundred fifty-three thousand, five hundred twenty".