84094642 has 4 divisors (see below), whose sum is σ = 126141966. Its totient is φ = 42047320.

The previous prime is 84094579. The next prime is 84094651. The reversal of 84094642 is 24649048.

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

It can be written as a sum of positive squares in only one way, i.e., 81342361 + 2752281 = 9019^2 + 1659^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21023659 + ... + 21023662.

Almost surely, 2^84094642 is an apocalyptic number.

84094642 is a deficient number, since it is larger than the sum of its proper divisors (42047324).

84094642 is a wasteful number, since it uses less digits than its factorization.

84094642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42047323.

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 84094642 is about 9170.3130808059. The cubic root of 84094642 is about 438.1163310054.

The spelling of 84094642 in words is "eighty-four million, ninety-four thousand, six hundred forty-two".