69428394 has 96 divisors (see below), whose sum is σ = 189057600. Its totient is φ = 18779040.

The previous prime is 69428369. The next prime is 69428399. The reversal of 69428394 is 49382496.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69428399) 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 47 ways as a sum of consecutive naturals, for example, 49584 + ... + 50964.

It is an arithmetic number, because the mean of its divisors is an integer number (1969350).

Almost surely, 2^69428394 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69428394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94528800).

69428394 is an abundant number, since it is smaller than the sum of its proper divisors (119629206).

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

69428394 is a wasteful number, since it uses less digits than its factorization.

69428394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425 (or 1412 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 69428394 is about 8332.3702510150. The cubic root of 69428394 is about 411.0036762418.

The spelling of 69428394 in words is "sixty-nine million, four hundred twenty-eight thousand, three hundred ninety-four".