84434804 has 6 divisors (see below), whose sum is σ = 147760914. Its totient is φ = 42217400.

The previous prime is 84434789. The next prime is 84434827. The reversal of 84434804 is 40843448.

It can be written as a sum of positive squares in only one way, i.e., 80066704 + 4368100 = 8948^2 + 2090^2 .

It is a super-2 number, since 2×84434804² = 14258472253036832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10554347 + ... + 10554354.

It is an arithmetic number, because the mean of its divisors is an integer number (24626819).

Almost surely, 2^84434804 is an apocalyptic number.

It is an amenable number.

84434804 is a deficient number, since it is larger than the sum of its proper divisors (63326110).

84434804 is a wasteful number, since it uses less digits than its factorization.

84434804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21108705 (or 21108703 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 35.

The square root of 84434804 is about 9188.8412762437. The cubic root of 84434804 is about 438.7062617146.

The spelling of 84434804 in words is "eighty-four million, four hundred thirty-four thousand, eight hundred four".