428160338 has 8 divisors (see below), whose sum is σ = 642692988. Its totient is φ = 213929344.

The previous prime is 428160323. The next prime is 428160371. The reversal of 428160338 is 833061824.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 351300049 + 76860289 = 18743^2 + 8767^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 428160298 and 428160307.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 71831 + ... + 77562.

Almost surely, 2^428160338 is an apocalyptic number.

428160338 is a deficient number, since it is larger than the sum of its proper divisors (214532650).

428160338 is a wasteful number, since it uses less digits than its factorization.

428160338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150828.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 428160338 is about 20692.0356175993. The cubic root of 428160338 is about 753.7062990339.

The spelling of 428160338 in words is "four hundred twenty-eight million, one hundred sixty thousand, three hundred thirty-eight".