84529636 has 9 divisors (see below), whose sum is σ = 147959049. Its totient is φ = 42255624.

The previous prime is 84529631. The next prime is 84529639. The reversal of 84529636 is 63692548.

The square root of 84529636 is 9194.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 6100900 + 78428736 = 2470^2 + 8856^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84529592 and 84529601.

It is not an unprimeable number, because it can be changed into a prime (84529631) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 16090 + ... + 20686.

Almost surely, 2^84529636 is an apocalyptic number.

84529636 is the 9194-th square number.

It is an amenable number.

84529636 is a deficient number, since it is larger than the sum of its proper divisors (63429413).

84529636 is an frugal number, since it uses more digits than its factorization.

84529636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9198 (or 4599 counting only the distinct ones).

The product of its digits is 311040, while the sum is 43.

The cubic root of 84529636 is about 438.8704429309.

The spelling of 84529636 in words is "eighty-four million, five hundred twenty-nine thousand, six hundred thirty-six".