84143046 has 16 divisors (see below), whose sum is σ = 181231344. Its totient is φ = 25890144.

The previous prime is 84143041. The next prime is 84143053. The reversal of 84143046 is 64034148.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84143041) 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, 539301 + ... + 539456.

It is an arithmetic number, because the mean of its divisors is an integer number (11326959).

Almost surely, 2^84143046 is an apocalyptic number.

84143046 is an abundant number, since it is smaller than the sum of its proper divisors (97088298).

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

84143046 is a wasteful number, since it uses less digits than its factorization.

84143046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078775.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 84143046 is about 9172.9518694911. The cubic root of 84143046 is about 438.2003732817.

The spelling of 84143046 in words is "eighty-four million, one hundred forty-three thousand, forty-six".