84635243 has 32 divisors (see below), whose sum is σ = 110373888. Its totient is φ = 62985600.

The previous prime is 84635219. The next prime is 84635261. The reversal of 84635243 is 34253648.

It is a cyclic number.

It is not a de Polignac number, because 84635243 - 2⁶ = 84635179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84635263) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 173546 + ... + 174032.

It is an arithmetic number, because the mean of its divisors is an integer number (3449184).

Almost surely, 2^84635243 is an apocalyptic number.

84635243 is a deficient number, since it is larger than the sum of its proper divisors (25738645).

84635243 is a wasteful number, since it uses less digits than its factorization.

84635243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603.

The product of its digits is 69120, while the sum is 35.

The square root of 84635243 is about 9199.7414637586. The cubic root of 84635243 is about 439.0531342919.

The spelling of 84635243 in words is "eighty-four million, six hundred thirty-five thousand, two hundred forty-three".