84142308 has 24 divisors (see below), whose sum is σ = 202666240. Its totient is φ = 27142560.

The previous prime is 84142273. The next prime is 84142309. The reversal of 84142308 is 80324148.

It is not an unprimeable number, because it can be changed into a prime (84142309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112723 + ... + 113466.

Almost surely, 2^84142308 is an apocalyptic number.

It is an amenable number.

84142308 is an abundant number, since it is smaller than the sum of its proper divisors (118523932).

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

84142308 is a wasteful number, since it uses less digits than its factorization.

84142308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226227 (or 226225 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 84142308 is about 9172.9116424394. The cubic root of 84142308 is about 438.1990921585.

The spelling of 84142308 in words is "eighty-four million, one hundred forty-two thousand, three hundred eight".