928422438 has 16 divisors (see below), whose sum is σ = 1857146880. Its totient is φ = 309423816.

The previous prime is 928422437. The next prime is 928422449. The reversal of 928422438 is 834224829.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 928422438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (928422437) 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, 56883 + ... + 71361.

It is an arithmetic number, because the mean of its divisors is an integer number (116071680).

Almost surely, 2^928422438 is an apocalyptic number.

928422438 is an abundant number, since it is smaller than the sum of its proper divisors (928724442).

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

928422438 is a wasteful number, since it uses less digits than its factorization.

928422438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25171.

The product of its digits is 221184, while the sum is 42.

The square root of 928422438 is about 30470.0252379285. The cubic root of 928422438 is about 975.5477747686.

The spelling of 928422438 in words is "nine hundred twenty-eight million, four hundred twenty-two thousand, four hundred thirty-eight".