69400394 has 32 divisors (see below), whose sum is σ = 121651200. Its totient is φ = 29081520.

The previous prime is 69400391. The next prime is 69400399. The reversal of 69400394 is 49300496.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (69400391) 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, 144647 + ... + 145125.

It is an arithmetic number, because the mean of its divisors is an integer number (3801600).

Almost surely, 2^69400394 is an apocalyptic number.

69400394 is a deficient number, since it is larger than the sum of its proper divisors (52250806).

69400394 is a wasteful number, since it uses less digits than its factorization.

69400394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 69400394 is about 8330.6898873983. The cubic root of 69400394 is about 410.9484171484.

The spelling of 69400394 in words is "sixty-nine million, four hundred thousand, three hundred ninety-four".