69389994 has 16 divisors (see below), whose sum is σ = 138948768. Its totient is φ = 23101872.

The previous prime is 69389993. The next prime is 69390029. The reversal of 69389994 is 49998396.

It is not an unprimeable number, because it can be changed into a prime (69389993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1332 + ... + 11855.

It is an arithmetic number, because the mean of its divisors is an integer number (8684298).

Almost surely, 2^69389994 is an apocalyptic number.

69389994 is an abundant number, since it is smaller than the sum of its proper divisors (69558774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69389994 is a wasteful number, since it uses less digits than its factorization.

69389994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14069.

The product of its digits is 3779136, while the sum is 57.

The square root of 69389994 is about 8330.0656660077. The cubic root of 69389994 is about 410.9278885568.

The spelling of 69389994 in words is "sixty-nine million, three hundred eighty-nine thousand, nine hundred ninety-four".