4095640 has 64 divisors (see below), whose sum is σ = 10303200. Its totient is φ = 1456128.

The previous prime is 4095629. The next prime is 4095647. The reversal of 4095640 is 465904.

It is a junction number, because it is equal to n+sod(n) for n = 4095599 and 4095608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4095647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12762 + ... + 13078.

Almost surely, 2^4095640 is an apocalyptic number.

4095640 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 4095640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5151600).

4095640 is an abundant number, since it is smaller than the sum of its proper divisors (6207560).

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

4095640 is a wasteful number, since it uses less digits than its factorization.

4095640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 4095640 is about 2023.7687614943. The cubic root of 4095640 is about 159.9953123627.

The spelling of 4095640 in words is "four million, ninety-five thousand, six hundred forty".