939745 has 8 divisors (see below), whose sum is σ = 1166760. Its totient is φ = 725760.

The previous prime is 939739. The next prime is 939749. The reversal of 939745 is 547939.

It can be written as a sum of positive squares in 4 ways, for example, as 312481 + 627264 = 559^2 + 792^2 .

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

It is not a de Polignac number, because 939745 - 2³ = 939737 is a prime.

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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3096 + ... + 3385.

It is an arithmetic number, because the mean of its divisors is an integer number (145845).

2⁹³⁹⁷⁴⁵ is an apocalyptic number.

It is an amenable number.

939745 is a deficient number, since it is larger than the sum of its proper divisors (227015).

939745 is a wasteful number, since it uses less digits than its factorization.

939745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6515.

The product of its digits is 34020, while the sum is 37.

The square root of 939745 is about 969.4044563545. The cubic root of 939745 is about 97.9497521110.

The spelling of 939745 in words is "nine hundred thirty-nine thousand, seven hundred forty-five".