84248040 has 32 divisors (see below), whose sum is σ = 252744480. Its totient is φ = 22466112.

The previous prime is 84248029. The next prime is 84248053. The reversal of 84248040 is 4084248.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 84247989 and 84248007.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 350914 + ... + 351153.

It is an arithmetic number, because the mean of its divisors is an integer number (7898265).

Almost surely, 2^84248040 is an apocalyptic number.

It is an amenable number.

84248040 is an abundant number, since it is smaller than the sum of its proper divisors (168496440).

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

84248040 is a wasteful number, since it uses less digits than its factorization.

84248040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702081 (or 702077 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 30.

The square root of 84248040 is about 9178.6731067186. The cubic root of 84248040 is about 438.3825602001.

The spelling of 84248040 in words is "eighty-four million, two hundred forty-eight thousand, forty".