84436442 has 8 divisors (see below), whose sum is σ = 130077876. Its totient is φ = 41077152.

The previous prime is 84436439. The next prime is 84436453. The reversal of 84436442 is 24463448.

It can be written as a sum of positive squares in 2 ways, for example, as 81342361 + 3094081 = 9019^2 + 1759^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 570443 + ... + 570590.

Almost surely, 2^84436442 is an apocalyptic number.

84436442 is a deficient number, since it is larger than the sum of its proper divisors (45641434).

84436442 is a wasteful number, since it uses less digits than its factorization.

84436442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141072.

The product of its digits is 73728, while the sum is 35.

The square root of 84436442 is about 9188.9304056566. The cubic root of 84436442 is about 438.7090986025.

The spelling of 84436442 in words is "eighty-four million, four hundred thirty-six thousand, four hundred forty-two".