69438868 has 12 divisors (see below), whose sum is σ = 122884020. Its totient is φ = 34329152.

The previous prime is 69438833. The next prime is 69438869. The reversal of 69438868 is 86883496.

It can be written as a sum of positive squares in 2 ways, for example, as 10640644 + 58798224 = 3262^2 + 7668^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69438869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97171 + ... + 97882.

It is an arithmetic number, because the mean of its divisors is an integer number (10240335).

Almost surely, 2^69438868 is an apocalyptic number.

It is an amenable number.

69438868 is a deficient number, since it is larger than the sum of its proper divisors (53445152).

69438868 is a wasteful number, since it uses less digits than its factorization.

69438868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195146 (or 195144 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 52.

The square root of 69438868 is about 8332.9987399495. The cubic root of 69438868 is about 411.0243432715.

The spelling of 69438868 in words is "sixty-nine million, four hundred thirty-eight thousand, eight hundred sixty-eight".