4395240 has 96 divisors (see below), whose sum is σ = 14812200. Its totient is φ = 1128960.

The previous prime is 4395229. The next prime is 4395271. The reversal of 4395240 is 425934.

4395240 = T₅₃₆ + T₅₃₇ + ... + T₅₆₄.

It can be written as a sum of positive squares in 4 ways, for example, as 2090916 + 2304324 = 1446^2 + 1518^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10230 + ... + 10650.

Almost surely, 2^4395240 is an apocalyptic number.

4395240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4395240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7406100).

4395240 is an abundant number, since it is smaller than the sum of its proper divisors (10416960).

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

4395240 is a wasteful number, since it uses less digits than its factorization.

4395240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467 (or 460 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 4395240 is about 2096.4827688297. The cubic root of 4395240 is about 163.8051423558.

The spelling of 4395240 in words is "four million, three hundred ninety-five thousand, two hundred forty".