4020595 has 4 divisors (see below), whose sum is σ = 4824720. Its totient is φ = 3216472.

The previous prime is 4020593. The next prime is 4020617. The reversal of 4020595 is 5950204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4020595 - 2¹ = 4020593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4020593) 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, 402055 + ... + 402064.

It is an arithmetic number, because the mean of its divisors is an integer number (1206180).

Almost surely, 2^4020595 is an apocalyptic number.

4020595 is a deficient number, since it is larger than the sum of its proper divisors (804125).

4020595 is an equidigital number, since it uses as much as digits as its factorization.

4020595 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804124.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 4020595 is about 2005.1421396001. The cubic root of 4020595 is about 159.0120766640.

Adding to 4020595 its reverse (5950204), we get a palindrome (9970799).

The spelling of 4020595 in words is "four million, twenty thousand, five hundred ninety-five".