84855849 has 8 divisors (see below), whose sum is σ = 121844352. Its totient is φ = 52218960.

The previous prime is 84855847. The next prime is 84855851. The reversal of 84855849 is 94855848.

It is an interprime number because it is at equal distance from previous prime (84855847) and next prime (84855851).

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

It is not a de Polignac number, because 84855849 - 2¹ = 84855847 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84855847) 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, 1087857 + ... + 1087934.

It is an arithmetic number, because the mean of its divisors is an integer number (15230544).

Almost surely, 2^84855849 is an apocalyptic number.

It is an amenable number.

84855849 is a deficient number, since it is larger than the sum of its proper divisors (36988503).

84855849 is a wasteful number, since it uses less digits than its factorization.

84855849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2175807.

The product of its digits is 1843200, while the sum is 51.

The square root of 84855849 is about 9211.7234543814. The cubic root of 84855849 is about 439.4342746581.

Subtracting 84855849 from its reverse (94855848), we obtain a palindrome (9999999).

The spelling of 84855849 in words is "eighty-four million, eight hundred fifty-five thousand, eight hundred forty-nine".