940490 has 8 divisors (see below), whose sum is σ = 1692900. Its totient is φ = 376192.

The previous prime is 940483. The next prime is 940501. The reversal of 940490 is 94049.

It can be written as a sum of positive squares in 2 ways, for example, as 896809 + 43681 = 947^2 + 209^2 .

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

It is an Ulam number.

It is an unprimeable number.

940490 is an untouchable number, because it is not equal to the sum of proper divisors of any 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, 47015 + ... + 47034.

2⁹⁴⁰⁴⁹⁰ is an apocalyptic number.

940490 is a deficient number, since it is larger than the sum of its proper divisors (752410).

940490 is a wasteful number, since it uses less digits than its factorization.

940490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94056.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 940490 is about 969.7886367658. The cubic root of 940490 is about 97.9756290919.

The spelling of 940490 in words is "nine hundred forty thousand, four hundred ninety".