939145 has 16 divisors (see below), whose sum is σ = 1193472. Its totient is φ = 708480.

The previous prime is 939121. The next prime is 939157. The reversal of 939145 is 541939.

It is not a de Polignac number, because 939145 - 2¹⁵ = 906377 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

939145 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11274 + ... + 11356.

It is an arithmetic number, because the mean of its divisors is an integer number (74592).

2⁹³⁹¹⁴⁵ is an apocalyptic number.

It is an amenable number.

939145 is a deficient number, since it is larger than the sum of its proper divisors (254327).

939145 is a wasteful number, since it uses less digits than its factorization.

939145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192.

The product of its digits is 4860, while the sum is 31.

The square root of 939145 is about 969.0949385896. The cubic root of 939145 is about 97.9289016450.

The spelling of 939145 in words is "nine hundred thirty-nine thousand, one hundred forty-five".