84530942 has 4 divisors (see below), whose sum is σ = 126796416. Its totient is φ = 42265470.

The previous prime is 84530939. The next prime is 84530947. The reversal of 84530942 is 24903548.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84530947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21132734 + ... + 21132737.

It is an arithmetic number, because the mean of its divisors is an integer number (31699104).

Almost surely, 2^84530942 is an apocalyptic number.

84530942 is a deficient number, since it is larger than the sum of its proper divisors (42265474).

84530942 is a wasteful number, since it uses less digits than its factorization.

84530942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42265473.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 84530942 is about 9194.0710243069. The cubic root of 84530942 is about 438.8727031317.

The spelling of 84530942 in words is "eighty-four million, five hundred thirty thousand, nine hundred forty-two".