1428382338 has 8 divisors (see below), whose sum is σ = 2856764688. Its totient is φ = 476127444.

The previous prime is 1428382337. The next prime is 1428382349. The reversal of 1428382338 is 8332838241.

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

1428382338 is an admirable number.

It is a super-4 number, since 4×1428382338⁴ (a number of 38 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 1428382338.

It is not an unprimeable number, because it can be changed into a prime (1428382337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119031856 + ... + 119031867.

It is an arithmetic number, because the mean of its divisors is an integer number (357095586).

Almost surely, 2^1428382338 is an apocalyptic number.

1428382338 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1428382338 is a wasteful number, since it uses less digits than its factorization.

1428382338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238063728.

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

The square root of 1428382338 is about 37793.9457850064. The cubic root of 1428382338 is about 1126.1981869181.

It can be divided in two parts, 142838233 and 8, that added together give a palindrome (142838241).

The spelling of 1428382338 in words is "one billion, four hundred twenty-eight million, three hundred eighty-two thousand, three hundred thirty-eight".