84474161 has 4 divisors (see below), whose sum is σ = 84525300. Its totient is φ = 84423024.

The previous prime is 84474151. The next prime is 84474199. The reversal of 84474161 is 16147448.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32993536 + 51480625 = 5744^2 + 7175^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84474161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84474121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23006 + ... + 26423.

It is an arithmetic number, because the mean of its divisors is an integer number (21131325).

Almost surely, 2^84474161 is an apocalyptic number.

It is an amenable number.

84474161 is a deficient number, since it is larger than the sum of its proper divisors (51139).

84474161 is a wasteful number, since it uses less digits than its factorization.

84474161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51138.

The product of its digits is 21504, while the sum is 35.

The square root of 84474161 is about 9190.9825916493. The cubic root of 84474161 is about 438.7744148122.

The spelling of 84474161 in words is "eighty-four million, four hundred seventy-four thousand, one hundred sixty-one".