84902171 has 8 divisors (see below), whose sum is σ = 86074560. Its totient is φ = 83737152.

The previous prime is 84902143. The next prime is 84902243. The reversal of 84902171 is 17120948.

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

It is a cyclic number.

It is not a de Polignac number, because 84902171 - 2⁶ = 84902107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84902101) 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, 23726 + ... + 27068.

It is an arithmetic number, because the mean of its divisors is an integer number (10759320).

Almost surely, 2^84902171 is an apocalyptic number.

84902171 is a deficient number, since it is larger than the sum of its proper divisors (1172389).

84902171 is a wasteful number, since it uses less digits than its factorization.

84902171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3685.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 84902171 is about 9214.2374074038. The cubic root of 84902171 is about 439.5142211080.

The spelling of 84902171 in words is "eighty-four million, nine hundred two thousand, one hundred seventy-one".