4678940 has 48 divisors (see below), whose sum is σ = 11827200. Its totient is φ = 1518912.

The previous prime is 4678939. The next prime is 4678943. The reversal of 4678940 is 498764.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4678894 and 4678903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4678943) by changing a digit.

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, 1781 + ... + 3539.

It is an arithmetic number, because the mean of its divisors is an integer number (246400).

Almost surely, 2^4678940 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4678940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5913600).

4678940 is an abundant number, since it is smaller than the sum of its proper divisors (7148260).

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

4678940 is a wasteful number, since it uses less digits than its factorization.

4678940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1794 (or 1792 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 4678940 is about 2163.0857588177. The cubic root of 4678940 is about 167.2563026277.

The spelling of 4678940 in words is "four million, six hundred seventy-eight thousand, nine hundred forty".