84410040 has 128 divisors (see below), whose sum is σ = 297561600. Its totient is φ = 18885120.

The previous prime is 84410033. The next prime is 84410041. The reversal of 84410040 is 4001448.

It is a junction number, because it is equal to n+sod(n) for n = 84409989 and 84410016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84410041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14701 + ... + 19619.

It is an arithmetic number, because the mean of its divisors is an integer number (2324700).

Almost surely, 2^84410040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84410040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148780800).

84410040 is an abundant number, since it is smaller than the sum of its proper divisors (213151560).

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

84410040 is a wasteful number, since it uses less digits than its factorization.

84410040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4957 (or 4953 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 84410040 is about 9187.4936734672. The cubic root of 84410040 is about 438.6633679329.

Adding to 84410040 its reverse (4001448), we get a palindrome (88411488).

The spelling of 84410040 in words is "eighty-four million, four hundred ten thousand, forty".