939742 has 8 divisors (see below), whose sum is σ = 1430856. Its totient is φ = 462792.

The previous prime is 939739. The next prime is 939749. The reversal of 939742 is 247939.

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 = 939698 and 939707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (939749) 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, 3373 + ... + 3640.

It is an arithmetic number, because the mean of its divisors is an integer number (178857).

2⁹³⁹⁷⁴² is an apocalyptic number.

939742 is a deficient number, since it is larger than the sum of its proper divisors (491114).

939742 is a wasteful number, since it uses less digits than its factorization.

939742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7082.

The product of its digits is 13608, while the sum is 34.

The square root of 939742 is about 969.4029090115. The cubic root of 939742 is about 97.9496478807.

It can be divided in two parts, 939 and 742, that added together give a square (1681 = 41²).

The spelling of 939742 in words is "nine hundred thirty-nine thousand, seven hundred forty-two".