84411240 has 64 divisors (see below), whose sum is σ = 254404800. Its totient is φ = 22405632.

The previous prime is 84411227. The next prime is 84411269. The reversal of 84411240 is 4211448.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 84411240.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26451 + ... + 29469.

It is an arithmetic number, because the mean of its divisors is an integer number (3975075).

Almost surely, 2^84411240 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 84411240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127202400).

84411240 is an abundant number, since it is smaller than the sum of its proper divisors (169993560).

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

84411240 is a wasteful number, since it uses less digits than its factorization.

84411240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3266 (or 3262 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 84411240 is about 9187.5589794025. The cubic root of 84411240 is about 438.6654466491.

Adding to 84411240 its reverse (4211448), we get a palindrome (88622688).

The spelling of 84411240 in words is "eighty-four million, four hundred eleven thousand, two hundred forty".