84434242 has 8 divisors (see below), whose sum is σ = 132158016. Its totient is φ = 40381572.

The previous prime is 84434237. The next prime is 84434249. The reversal of 84434242 is 24243448.

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

It is a super-2 number, since 2×84434242² = 14258282444229128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84434249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 917718 + ... + 917809.

It is an arithmetic number, because the mean of its divisors is an integer number (16519752).

Almost surely, 2^84434242 is an apocalyptic number.

84434242 is a deficient number, since it is larger than the sum of its proper divisors (47723774).

84434242 is a wasteful number, since it uses less digits than its factorization.

84434242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1835552.

The product of its digits is 24576, while the sum is 31.

The square root of 84434242 is about 9188.8106956232. The cubic root of 84434242 is about 438.7052883661.

It can be divided in two parts, 8 and 4434242, that multiplied together give a square (35473936 = 5956²).

The spelling of 84434242 in words is "eighty-four million, four hundred thirty-four thousand, two hundred forty-two".