84109148 has 6 divisors (see below), whose sum is σ = 147191016. Its totient is φ = 42054572.

The previous prime is 84109147. The next prime is 84109171. The reversal of 84109148 is 84190148.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84109147) by changing a digit.

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, 10513640 + ... + 10513647.

It is an arithmetic number, because the mean of its divisors is an integer number (24531836).

Almost surely, 2^84109148 is an apocalyptic number.

It is an amenable number.

84109148 is a deficient number, since it is larger than the sum of its proper divisors (63081868).

84109148 is a wasteful number, since it uses less digits than its factorization.

84109148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21027291 (or 21027289 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 84109148 is about 9171.1039684435. The cubic root of 84109148 is about 438.1415206804.

The spelling of 84109148 in words is "eighty-four million, one hundred nine thousand, one hundred forty-eight".