4245940 has 12 divisors (see below), whose sum is σ = 8916516. Its totient is φ = 1698368.

The previous prime is 4245929. The next prime is 4245947. The reversal of 4245940 is 495424.

It can be written as a sum of positive squares in 2 ways, for example, as 2090916 + 2155024 = 1446^2 + 1468^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4245899 and 4245908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4245947) 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, 106129 + ... + 106168.

It is an arithmetic number, because the mean of its divisors is an integer number (743043).

Almost surely, 2^4245940 is an apocalyptic number.

It is an amenable number.

4245940 is an abundant number, since it is smaller than the sum of its proper divisors (4670576).

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

4245940 is a wasteful number, since it uses less digits than its factorization.

4245940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212306 (or 212304 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 4245940 is about 2060.5678828905. The cubic root of 4245940 is about 161.9289939289.

The spelling of 4245940 in words is "four million, two hundred forty-five thousand, nine hundred forty".