84054069 has 24 divisors (see below), whose sum is σ = 140242752. Its totient is φ = 47944320.

The previous prime is 84054049. The next prime is 84054071. The reversal of 84054069 is 96045048.

It is not a de Polignac number, because 84054069 - 2⁵ = 84054037 is a prime.

It is a super-4 number, since 4×84054069⁴ (a number of 33 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84054049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23289 + ... + 26654.

It is an arithmetic number, because the mean of its divisors is an integer number (5843448).

Almost surely, 2^84054069 is an apocalyptic number.

It is an amenable number.

84054069 is a deficient number, since it is larger than the sum of its proper divisors (56188683).

84054069 is a wasteful number, since it uses less digits than its factorization.

84054069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49977 (or 49974 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 84054069 is about 9168.1006211756. The cubic root of 84054069 is about 438.0458605887.

The spelling of 84054069 in words is "eighty-four million, fifty-four thousand, sixty-nine".