939540 has 48 divisors (see below), whose sum is σ = 3007872. Its totient is φ = 214656.

The previous prime is 939511. The next prime is 939551. The reversal of 939540 is 45939.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 939498 and 939507.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 939540.

It is an unprimeable number.

939540 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 699 + ... + 1538.

It is an arithmetic number, because the mean of its divisors is an integer number (62664).

2⁹³⁹⁵⁴⁰ is an apocalyptic number.

It is an amenable number.

939540 is an abundant number, since it is smaller than the sum of its proper divisors (2068332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

939540 is a wasteful number, since it uses less digits than its factorization.

939540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2256 (or 2254 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 939540 is about 969.2987155671. The cubic root of 939540 is about 97.9426292001.

The spelling of 939540 in words is "nine hundred thirty-nine thousand, five hundred forty".