84213435 has 16 divisors (see below), whose sum is σ = 134855424. Its totient is φ = 44875872.

The previous prime is 84213433. The next prime is 84213487. The reversal of 84213435 is 53431248.

It is not a de Polignac number, because 84213435 - 2¹ = 84213433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84213431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32394 + ... + 34896.

It is an arithmetic number, because the mean of its divisors is an integer number (8428464).

Almost surely, 2^84213435 is an apocalyptic number.

84213435 is a deficient number, since it is larger than the sum of its proper divisors (50641989).

84213435 is a wasteful number, since it uses less digits than its factorization.

84213435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4754.

The product of its digits is 11520, while the sum is 30.

The square root of 84213435 is about 9176.7878367106. The cubic root of 84213435 is about 438.3225298974.

It can be divided in two parts, 84213 and 435, that added together give a palindrome (84648).

The spelling of 84213435 in words is "eighty-four million, two hundred thirteen thousand, four hundred thirty-five".