84668292 has 18 divisors (see below), whose sum is σ = 214022718. Its totient is φ = 28222752.

The previous prime is 84668263. The next prime is 84668299. The reversal of 84668292 is 29286648.

It can be written as a sum of positive squares in only one way, i.e., 66977856 + 17690436 = 8184^2 + 4206^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (84668299) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1175913 + ... + 1175984.

It is an arithmetic number, because the mean of its divisors is an integer number (11890151).

Almost surely, 2^84668292 is an apocalyptic number.

It is an amenable number.

84668292 is an abundant number, since it is smaller than the sum of its proper divisors (129354426).

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

84668292 is a wasteful number, since it uses less digits than its factorization.

84668292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2351907 (or 2351902 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 84668292 is about 9201.5374802258. The cubic root of 84668292 is about 439.1102751009.

The spelling of 84668292 in words is "eighty-four million, six hundred sixty-eight thousand, two hundred ninety-two".