84954019 has 4 divisors (see below), whose sum is σ = 88647696. Its totient is φ = 81260344.

The previous prime is 84954017. The next prime is 84954031. The reversal of 84954019 is 91045948.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 84954019 - 2¹ = 84954017 is a prime.

It is a super-2 number, since 2×84954019² = 14434370688504722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84954013) 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, 1846804 + ... + 1846849.

It is an arithmetic number, because the mean of its divisors is an integer number (22161924).

Almost surely, 2^84954019 is an apocalyptic number.

84954019 is a deficient number, since it is larger than the sum of its proper divisors (3693677).

84954019 is a wasteful number, since it uses less digits than its factorization.

84954019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3693676.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 84954019 is about 9217.0504501169. The cubic root of 84954019 is about 439.6036703174.

The spelling of 84954019 in words is "eighty-four million, nine hundred fifty-four thousand, nineteen".