84853491 has 8 divisors (see below), whose sum is σ = 115769280. Its totient is φ = 55253352.

The previous prime is 84853481. The next prime is 84853493. The reversal of 84853491 is 19435848.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 84853491 - 2⁵ = 84853459 is a prime.

It is a super-2 number, since 2×84853491² = 14400229869774162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84853493) 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, 328761 + ... + 329018.

It is an arithmetic number, because the mean of its divisors is an integer number (14471160).

Almost surely, 2^84853491 is an apocalyptic number.

84853491 is a deficient number, since it is larger than the sum of its proper divisors (30915789).

84853491 is a wasteful number, since it uses less digits than its factorization.

84853491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657825.

The product of its digits is 138240, while the sum is 42.

The square root of 84853491 is about 9211.5954644133. The cubic root of 84853491 is about 439.4302042429.

The spelling of 84853491 in words is "eighty-four million, eight hundred fifty-three thousand, four hundred ninety-one".