84548919 has 32 divisors (see below), whose sum is σ = 139310080. Its totient is φ = 44416512.

The previous prime is 84548899. The next prime is 84548921. The reversal of 84548919 is 91984548.

It is not a de Polignac number, because 84548919 - 2⁵ = 84548887 is a prime.

It is a super-2 number, since 2×84548919² = 14297039408137122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84548419) 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 31 ways as a sum of consecutive naturals, for example, 91542 + ... + 92460.

It is an arithmetic number, because the mean of its divisors is an integer number (4353440).

Almost surely, 2^84548919 is an apocalyptic number.

84548919 is a deficient number, since it is larger than the sum of its proper divisors (54761161).

84548919 is a wasteful number, since it uses less digits than its factorization.

84548919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279.

The product of its digits is 414720, while the sum is 48.

The square root of 84548919 is about 9195.0486132483. The cubic root of 84548919 is about 438.9038122742.

The spelling of 84548919 in words is "eighty-four million, five hundred forty-eight thousand, nine hundred nineteen".