84308834 has 4 divisors (see below), whose sum is σ = 126463254. Its totient is φ = 42154416.

The previous prime is 84308803. The next prime is 84308839. The reversal of 84308834 is 43880348.

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., 66373609 + 17935225 = 8147^2 + 4235^2 .

It is not an unprimeable number, because it can be changed into a prime (84308839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21077207 + ... + 21077210.

Almost surely, 2^84308834 is an apocalyptic number.

84308834 is a deficient number, since it is larger than the sum of its proper divisors (42154420).

84308834 is a wasteful number, since it uses less digits than its factorization.

84308834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42154419.

The product of its (nonzero) digits is 73728, while the sum is 38.

The square root of 84308834 is about 9181.9842082199. The cubic root of 84308834 is about 438.4879815306.

The spelling of 84308834 in words is "eighty-four million, three hundred eight thousand, eight hundred thirty-four".