84842849 has 32 divisors (see below), whose sum is σ = 108380160. Its totient is φ = 64636992.

The previous prime is 84842843. The next prime is 84842861. The reversal of 84842849 is 94824848.

It is not a de Polignac number, because 84842849 - 2¹⁶ = 84777313 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is not an unprimeable number, because it can be changed into a prime (84842843) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 354872 + ... + 355110.

It is an arithmetic number, because the mean of its divisors is an integer number (3386880).

Almost surely, 2^84842849 is an apocalyptic number.

It is an amenable number.

84842849 is a deficient number, since it is larger than the sum of its proper divisors (23537311).

84842849 is a wasteful number, since it uses less digits than its factorization.

84842849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389.

The product of its digits is 589824, while the sum is 47.

The square root of 84842849 is about 9211.0178047814. The cubic root of 84842849 is about 439.4118329236.

The spelling of 84842849 in words is "eighty-four million, eight hundred forty-two thousand, eight hundred forty-nine".