939490 has 8 divisors (see below), whose sum is σ = 1691100. Its totient is φ = 375792.

The previous prime is 939487. The next prime is 939511. The reversal of 939490 is 94939.

It can be written as a sum of positive squares in 2 ways, for example, as 938961 + 529 = 969^2 + 23^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 46965 + ... + 46984.

2⁹³⁹⁴⁹⁰ is an apocalyptic number.

939490 is a deficient number, since it is larger than the sum of its proper divisors (751610).

939490 is a wasteful number, since it uses less digits than its factorization.

939490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93956.

The product of its (nonzero) digits is 8748, while the sum is 34.

The square root of 939490 is about 969.2729233812. The cubic root of 939490 is about 97.9408917477.

The spelling of 939490 in words is "nine hundred thirty-nine thousand, four hundred ninety".