84238969 has 4 divisors (see below), whose sum is σ = 86293620. Its totient is φ = 82184320.

The previous prime is 84238967. The next prime is 84238981. The reversal of 84238969 is 96983248.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27040000 + 57198969 = 5200^2 + 7563^2 .

It is a cyclic number.

It is not a de Polignac number, because 84238969 - 2¹ = 84238967 is a prime.

It is a super-3 number, since 3×84238969³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84238963) 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, 1027264 + ... + 1027345.

It is an arithmetic number, because the mean of its divisors is an integer number (21573405).

Almost surely, 2^84238969 is an apocalyptic number.

It is an amenable number.

84238969 is a deficient number, since it is larger than the sum of its proper divisors (2054651).

84238969 is a wasteful number, since it uses less digits than its factorization.

84238969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2054650.

The product of its digits is 746496, while the sum is 49.

The square root of 84238969 is about 9178.1789588131. The cubic root of 84238969 is about 438.3668260618.

The spelling of 84238969 in words is "eighty-four million, two hundred thirty-eight thousand, nine hundred sixty-nine".