84216148 has 6 divisors (see below), whose sum is σ = 147378266. Its totient is φ = 42108072.

The previous prime is 84216137. The next prime is 84216149. The reversal of 84216148 is 84161248.

It can be written as a sum of positive squares in only one way, i.e., 68359824 + 15856324 = 8268^2 + 3982^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84216149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10527015 + ... + 10527022.

Almost surely, 2^84216148 is an apocalyptic number.

It is an amenable number.

84216148 is a deficient number, since it is larger than the sum of its proper divisors (63162118).

84216148 is a wasteful number, since it uses less digits than its factorization.

84216148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21054041 (or 21054039 counting only the distinct ones).

The product of its digits is 12288, while the sum is 34.

The square root of 84216148 is about 9176.9356541277. The cubic root of 84216148 is about 438.3272368116.

The spelling of 84216148 in words is "eighty-four million, two hundred sixteen thousand, one hundred forty-eight".