84823120 has 40 divisors (see below), whose sum is σ = 200567520. Its totient is φ = 33352320.

The previous prime is 84823117. The next prime is 84823121. The reversal of 84823120 is 2132848.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84823121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4266 + ... + 13705.

It is an arithmetic number, because the mean of its divisors is an integer number (5014188).

Almost surely, 2^84823120 is an apocalyptic number.

84823120 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

84823120 is an abundant number, since it is smaller than the sum of its proper divisors (115744400).

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

84823120 is a wasteful number, since it uses less digits than its factorization.

84823120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18043 (or 18037 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 84823120 is about 9209.9467968062. The cubic root of 84823120 is about 439.3777706221.

Adding to 84823120 its reverse (2132848), we get a palindrome (86955968).

The spelling of 84823120 in words is "eighty-four million, eight hundred twenty-three thousand, one hundred twenty".