338787 has 6 divisors (see below), whose sum is σ = 489372. Its totient is φ = 225852.

The previous prime is 338777. The next prime is 338791. The reversal of 338787 is 787833.

It is not a de Polignac number, because 338787 - 2⁷ = 338659 is a prime.

It is a super-2 number, since 2×338787² = 229553262738, which contains 22 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 338787.

It is not an unprimeable number, because it can be changed into a prime (338707) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18813 + ... + 18830.

It is an arithmetic number, because the mean of its divisors is an integer number (81562).

2³³⁸⁷⁸⁷ is an apocalyptic number.

338787 is a deficient number, since it is larger than the sum of its proper divisors (150585).

338787 is a wasteful number, since it uses less digits than its factorization.

338787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37649 (or 37646 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 338787 is about 582.0541211949. The cubic root of 338787 is about 69.7122198761.

The spelling of 338787 in words is "three hundred thirty-eight thousand, seven hundred eighty-seven".