84621436 has 12 divisors (see below), whose sum is σ = 149554440. Its totient is φ = 41891600.

The previous prime is 84621431. The next prime is 84621437. The reversal of 84621436 is 63412648.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84621431) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 104326 + ... + 105133.

It is an arithmetic number, because the mean of its divisors is an integer number (12462870).

Almost surely, 2^84621436 is an apocalyptic number.

It is an amenable number.

84621436 is a deficient number, since it is larger than the sum of its proper divisors (64933004).

84621436 is a wasteful number, since it uses less digits than its factorization.

84621436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209564 (or 209562 counting only the distinct ones).

The product of its digits is 27648, while the sum is 34.

The square root of 84621436 is about 9198.9910316295. The cubic root of 84621436 is about 439.0292579646.

The spelling of 84621436 in words is "eighty-four million, six hundred twenty-one thousand, four hundred thirty-six".