84288929 has 4 divisors (see below), whose sum is σ = 85076784. Its totient is φ = 83501076.

The previous prime is 84288913. The next prime is 84288931. The reversal of 84288929 is 92988248.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84288929 - 2⁴ = 84288913 is a prime.

It is a super-3 number, since 3×84288929³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (84288979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393767 + ... + 393980.

It is an arithmetic number, because the mean of its divisors is an integer number (21269196).

Almost surely, 2^84288929 is an apocalyptic number.

It is an amenable number.

84288929 is a deficient number, since it is larger than the sum of its proper divisors (787855).

84288929 is a wasteful number, since it uses less digits than its factorization.

84288929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787854.

The product of its digits is 663552, while the sum is 50.

The square root of 84288929 is about 9180.9002281911. The cubic root of 84288929 is about 438.4534703577.

The spelling of 84288929 in words is "eighty-four million, two hundred eighty-eight thousand, nine hundred twenty-nine".