939387 has 4 divisors (see below), whose sum is σ = 1252520. Its totient is φ = 626256.

The previous prime is 939377. The next prime is 939391. The reversal of 939387 is 783939.

It is a happy number.

939387 is nontrivially palindromic in base 5.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-939387 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (939317) 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 3 ways as a sum of consecutive naturals, for example, 156562 + ... + 156567.

It is an arithmetic number, because the mean of its divisors is an integer number (313130).

2⁹³⁹³⁸⁷ is an apocalyptic number.

939387 is a deficient number, since it is larger than the sum of its proper divisors (313133).

939387 is a wasteful number, since it uses less digits than its factorization.

939387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313132.

The product of its digits is 40824, while the sum is 39.

The square root of 939387 is about 969.2197893151. The cubic root of 939387 is about 97.9373124012.

It can be divided in two parts, 939 and 387, that added together give a triangular number (1326 = T₅₁).

The spelling of 939387 in words is "nine hundred thirty-nine thousand, three hundred eighty-seven".