4307940 has 144 divisors (see below), whose sum is σ = 16144128. Its totient is φ = 905472.

The previous prime is 4307939. The next prime is 4307957. The reversal of 4307940 is 497034.

4307940 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16249 + ... + 16511.

It is an arithmetic number, because the mean of its divisors is an integer number (112112).

Almost surely, 2^4307940 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 4307940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8072064).

4307940 is an abundant number, since it is smaller than the sum of its proper divisors (11836188).

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

4307940 is a wasteful number, since it uses less digits than its factorization.

4307940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298 (or 293 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 4307940 is about 2075.5577563633. The cubic root of 4307940 is about 162.7133607626.

The spelling of 4307940 in words is "four million, three hundred seven thousand, nine hundred forty".