84041240 has 32 divisors (see below), whose sum is σ = 189514080. Its totient is φ = 33541632.

The previous prime is 84041213. The next prime is 84041257. The reversal of 84041240 is 4214048.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18032 + ... + 22208.

It is an arithmetic number, because the mean of its divisors is an integer number (5922315).

Almost surely, 2^84041240 is an apocalyptic number.

It is an amenable number.

84041240 is an abundant number, since it is smaller than the sum of its proper divisors (105472840).

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

84041240 is a wasteful number, since it uses less digits than its factorization.

84041240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4691 (or 4687 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 84041240 is about 9167.4009402884. The cubic root of 84041240 is about 438.0235734412.

Adding to 84041240 its reverse (4214048), we get a palindrome (88255288).

The spelling of 84041240 in words is "eighty-four million, forty-one thousand, two hundred forty".