84838069 has 4 divisors (see below), whose sum is σ = 85193280. Its totient is φ = 84482860.

The previous prime is 84838051. The next prime is 84838073. The reversal of 84838069 is 96083848.

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 84838069 - 2¹¹ = 84836021 is a prime.

It is a super-2 number, since 2×84838069² = 14394995903297522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84838009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177247 + ... + 177724.

It is an arithmetic number, because the mean of its divisors is an integer number (21298320).

Almost surely, 2^84838069 is an apocalyptic number.

It is an amenable number.

84838069 is a deficient number, since it is larger than the sum of its proper divisors (355211).

84838069 is a wasteful number, since it uses less digits than its factorization.

84838069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355210.

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 84838069 is about 9210.7583292582. The cubic root of 84838069 is about 439.4035806940.

The spelling of 84838069 in words is "eighty-four million, eight hundred thirty-eight thousand, sixty-nine".