84688034 has 4 divisors (see below), whose sum is σ = 127032054. Its totient is φ = 42344016.

The previous prime is 84688007. The next prime is 84688049. The reversal of 84688034 is 43088648.

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., 69672409 + 15015625 = 8347^2 + 3875^2 .

It is a junction number, because it is equal to n+sod(n) for n = 84687982 and 84688000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21172007 + ... + 21172010.

Almost surely, 2^84688034 is an apocalyptic number.

84688034 is a deficient number, since it is larger than the sum of its proper divisors (42344020).

84688034 is a wasteful number, since it uses less digits than its factorization.

84688034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42344019.

The product of its (nonzero) digits is 147456, while the sum is 41.

The square root of 84688034 is about 9202.6101732063. The cubic root of 84688034 is about 439.1444013803.

The spelling of 84688034 in words is "eighty-four million, six hundred eighty-eight thousand, thirty-four".