84240801 has 12 divisors (see below), whose sum is σ = 122363280. Its totient is φ = 55845720.

The previous prime is 84240799. The next prime is 84240809. The reversal of 84240801 is 10804248.

It is not a de Polignac number, because 84240801 - 2¹ = 84240799 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (84240809) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 24535 + ... + 27756.

It is an arithmetic number, because the mean of its divisors is an integer number (10196940).

Almost surely, 2^84240801 is an apocalyptic number.

It is an amenable number.

84240801 is a deficient number, since it is larger than the sum of its proper divisors (38122479).

84240801 is a wasteful number, since it uses less digits than its factorization.

84240801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52476 (or 52473 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 84240801 is about 9178.2787602034. The cubic root of 84240801 is about 438.3700038556.

The spelling of 84240801 in words is "eighty-four million, two hundred forty thousand, eight hundred one".