69934389 has 16 divisors (see below), whose sum is σ = 107853312. Its totient is φ = 39480048.

The previous prime is 69934349. The next prime is 69934391. The reversal of 69934389 is 98343996.

It is not a de Polignac number, because 69934389 - 2⁸ = 69934133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69934339) 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 15 ways as a sum of consecutive naturals, for example, 18319 + ... + 21804.

It is an arithmetic number, because the mean of its divisors is an integer number (6740832).

Almost surely, 2^69934389 is an apocalyptic number.

It is an amenable number.

69934389 is a deficient number, since it is larger than the sum of its proper divisors (37918923).

69934389 is a wasteful number, since it uses less digits than its factorization.

69934389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40216.

The product of its digits is 1259712, while the sum is 51.

The square root of 69934389 is about 8362.6783389055. The cubic root of 69934389 is about 411.9997270398. Note that the first 3 decimals are identical.

The spelling of 69934389 in words is "sixty-nine million, nine hundred thirty-four thousand, three hundred eighty-nine".