930840 has 32 divisors (see below), whose sum is σ = 2792880. Its totient is φ = 248192.

The previous prime is 930827. The next prime is 930841. The reversal of 930840 is 48039.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 930840.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (930841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3759 + ... + 3998.

2⁹³⁰⁸⁴⁰ is an apocalyptic number.

It is an amenable number.

930840 is an abundant number, since it is smaller than the sum of its proper divisors (1862040).

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

930840 is a wasteful number, since it uses less digits than its factorization.

930840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7771 (or 7767 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 930840 is about 964.8004975123. The cubic root of 930840 is about 97.6393798805.

Adding to 930840 its reverse (48039), we get a palindrome (978879).

It can be divided in two parts, 930 and 840, that added together give a triangular number (1770 = T₅₉).

The spelling of 930840 in words is "nine hundred thirty thousand, eight hundred forty".