84654172 has 6 divisors (see below), whose sum is σ = 148144808. Its totient is φ = 42327084.

The previous prime is 84654151. The next prime is 84654221. The reversal of 84654172 is 27145648.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10581768 + ... + 10581775.

Almost surely, 2^84654172 is an apocalyptic number.

It is an amenable number.

84654172 is a deficient number, since it is larger than the sum of its proper divisors (63490636).

84654172 is a wasteful number, since it uses less digits than its factorization.

84654172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21163547 (or 21163545 counting only the distinct ones).

The product of its digits is 53760, while the sum is 37.

The square root of 84654172 is about 9200.7701851530. The cubic root of 84654172 is about 439.0858638302.

The spelling of 84654172 in words is "eighty-four million, six hundred fifty-four thousand, one hundred seventy-two".