4739940 has 72 divisors (see below), whose sum is σ = 15233400. Its totient is φ = 1188864.

The previous prime is 4739929. The next prime is 4739947. The reversal of 4739940 is 499374.

It can be written as a sum of positive squares in 4 ways, for example, as 675684 + 4064256 = 822^2 + 2016^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 4⁵ + 7² + 3¹² + 9⁴ + 9⁴ + 4¹¹ + 0 .

It is a junction number, because it is equal to n+sod(n) for n = 4739895 and 4739904.

It is not an unprimeable number, because it can be changed into a prime (4739947) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2286 + ... + 3834.

It is an arithmetic number, because the mean of its divisors is an integer number (211575).

Almost surely, 2^4739940 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 4739940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7616700).

4739940 is an abundant number, since it is smaller than the sum of its proper divisors (10493460).

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

4739940 is a wasteful number, since it uses less digits than its factorization.

4739940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1581 (or 1576 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 4739940 is about 2177.1403262078. The cubic root of 4739940 is about 167.9800146294.

The spelling of 4739940 in words is "four million, seven hundred thirty-nine thousand, nine hundred forty".