940390 has 32 divisors (see below), whose sum is σ = 1886976. Its totient is φ = 334560.

The previous prime is 940369. The next prime is 940399. The reversal of 940390 is 93049.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (940399) by changing a digit.

940390 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 15 ways as a sum of consecutive naturals, for example, 9079 + ... + 9181.

It is an arithmetic number, because the mean of its divisors is an integer number (58968).

2⁹⁴⁰³⁹⁰ is an apocalyptic number.

940390 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

940390 is a wasteful number, since it uses less digits than its factorization.

940390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 940390 is about 969.7370777690. The cubic root of 940390 is about 97.9721564659.

The spelling of 940390 in words is "nine hundred forty thousand, three hundred ninety".