1438286339 has 16 divisors (see below), whose sum is σ = 1767091200. Its totient is φ = 1143077184.

The previous prime is 1438286293. The next prime is 1438286341. The reversal of 1438286339 is 9336828341.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1438286339 - 2¹² = 1438282243 is a prime.

It is a super-3 number, since 3×1438286339³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a junction number, because it is equal to n+sod(n) for n = 1438286293 and 1438286302.

It is not an unprimeable number, because it can be changed into a prime (1438286389) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 108794 + ... + 121295.

It is an arithmetic number, because the mean of its divisors is an integer number (110443200).

Almost surely, 2^1438286339 is an apocalyptic number.

1438286339 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1438286339 is a deficient number, since it is larger than the sum of its proper divisors (328804861).

1438286339 is a wasteful number, since it uses less digits than its factorization.

1438286339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230162.

The product of its digits is 746496, while the sum is 47.

The square root of 1438286339 is about 37924.7457341509. The cubic root of 1438286339 is about 1128.7951077518.

The spelling of 1438286339 in words is "one billion, four hundred thirty-eight million, two hundred eighty-six thousand, three hundred thirty-nine".