84171004 has 12 divisors (see below), whose sum is σ = 151280584. Its totient is φ = 40947984.

The previous prime is 84170987. The next prime is 84171023. The reversal of 84171004 is 40017148.

It is a self number, because there is not a number n which added to its sum of digits gives 84171004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284214 + ... + 284509.

Almost surely, 2^84171004 is an apocalyptic number.

It is an amenable number.

84171004 is a deficient number, since it is larger than the sum of its proper divisors (67109580).

84171004 is a wasteful number, since it uses less digits than its factorization.

84171004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568764 (or 568762 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 84171004 is about 9174.4756798413. The cubic root of 84171004 is about 438.2489011557.

The spelling of 84171004 in words is "eighty-four million, one hundred seventy-one thousand, four".