4040395 has 8 divisors (see below), whose sum is σ = 4880304. Its totient is φ = 3211104.

The previous prime is 4040389. The next prime is 4040401. The reversal of 4040395 is 5930404.

It is an interprime number because it is at equal distance from previous prime (4040389) and next prime (4040401).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4040395 - 2²¹ = 1943243 is a prime.

It is a Duffinian number.

4040395 is a lucky number.

It is a zygodrome in base 6.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1789 + ... + 3358.

It is an arithmetic number, because the mean of its divisors is an integer number (610038).

Almost surely, 2^4040395 is an apocalyptic number.

4040395 is a deficient number, since it is larger than the sum of its proper divisors (839909).

4040395 is a wasteful number, since it uses less digits than its factorization.

4040395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5309.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 4040395 is about 2010.0733817451. The cubic root of 4040395 is about 159.2726753149.

Adding to 4040395 its reverse (5930404), we get a palindrome (9970799).

The spelling of 4040395 in words is "four million, forty thousand, three hundred ninety-five".