84436930 has 16 divisors (see below), whose sum is σ = 152133624. Its totient is φ = 33742080.

The previous prime is 84436903. The next prime is 84436981. The reversal of 84436930 is 3963448.

It can be written as a sum of positive squares in 4 ways, for example, as 57198969 + 27237961 = 7563^2 + 5219^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 84436930.

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 in 7 ways as a sum of consecutive naturals, for example, 8650 + ... + 15610.

Almost surely, 2^84436930 is an apocalyptic number.

84436930 is a deficient number, since it is larger than the sum of its proper divisors (67696694).

84436930 is a wasteful number, since it uses less digits than its factorization.

84436930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8181.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 84436930 is about 9188.9569593072. The cubic root of 84436930 is about 438.7099437732.

The spelling of 84436930 in words is "eighty-four million, four hundred thirty-six thousand, nine hundred thirty".