84453618 has 8 divisors (see below), whose sum is σ = 168907248. Its totient is φ = 28151204.

The previous prime is 84453617. The next prime is 84453643. The reversal of 84453618 is 81635448.

It is a sphenic number, since it is the product of 3 distinct primes.

84453618 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (84453617) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 7037796 + ... + 7037807.

It is an arithmetic number, because the mean of its divisors is an integer number (21113406).

Almost surely, 2^84453618 is an apocalyptic number.

84453618 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84453618 is a wasteful number, since it uses less digits than its factorization.

84453618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14075608.

The product of its digits is 92160, while the sum is 39.

The square root of 84453618 is about 9189.8649609230. The cubic root of 84453618 is about 438.7388438816.

The spelling of 84453618 in words is "eighty-four million, four hundred fifty-three thousand, six hundred eighteen".