940290 has 32 divisors (see below), whose sum is σ = 2431296. Its totient is φ = 231360.

The previous prime is 940279. The next prime is 940297. The reversal of 940290 is 92049.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 940290.

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 940290.

It is not an unprimeable number, because it can be changed into a prime (940297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 816 + ... + 1595.

It is an arithmetic number, because the mean of its divisors is an integer number (75978).

2⁹⁴⁰²⁹⁰ is an apocalyptic number.

940290 is an abundant number, since it is smaller than the sum of its proper divisors (1491006).

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

940290 is a wasteful number, since it uses less digits than its factorization.

940290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2434.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 940290 is about 969.6855160308. The cubic root of 940290 is about 97.9686835936.

Subtracting from 940290 its reverse (92049), we obtain a square (848241 = 921²).

The spelling of 940290 in words is "nine hundred forty thousand, two hundred ninety".