940820 has 12 divisors (see below), whose sum is σ = 1975764. Its totient is φ = 376320.

The previous prime is 940817. The next prime is 940829. The reversal of 940820 is 28049.

940820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 228484 + 712336 = 478^2 + 844^2 .

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (940829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23501 + ... + 23540.

It is an arithmetic number, because the mean of its divisors is an integer number (164647).

2⁹⁴⁰⁸²⁰ is an apocalyptic number.

It is an amenable number.

940820 is an abundant number, since it is smaller than the sum of its proper divisors (1034944).

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

940820 is a wasteful number, since it uses less digits than its factorization.

940820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47050 (or 47048 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 940820 is about 969.9587620100. The cubic root of 940820 is about 97.9870870116.

Adding to 940820 its reverse (28049), we get a palindrome (968869).

The spelling of 940820 in words is "nine hundred forty thousand, eight hundred twenty".