84148660 has 12 divisors (see below), whose sum is σ = 176712228. Its totient is φ = 33659456.

The previous prime is 84148639. The next prime is 84148661. The reversal of 84148660 is 6684148.

It can be written as a sum of positive squares in 2 ways, for example, as 16941456 + 67207204 = 4116^2 + 8198^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84148661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2103697 + ... + 2103736.

It is an arithmetic number, because the mean of its divisors is an integer number (14726019).

Almost surely, 2^84148660 is an apocalyptic number.

It is an amenable number.

84148660 is an abundant number, since it is smaller than the sum of its proper divisors (92563568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84148660 is a wasteful number, since it uses less digits than its factorization.

84148660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4207442 (or 4207440 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 84148660 is about 9173.2578727516. The cubic root of 84148660 is about 438.2101185996.

The spelling of 84148660 in words is "eighty-four million, one hundred forty-eight thousand, six hundred sixty".