4000885 has 8 divisors (see below), whose sum is σ = 5486976. Its totient is φ = 2743440.

The previous prime is 4000883. The next prime is 4000889. The reversal of 4000885 is 5880004.

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

It is not a de Polignac number, because 4000885 - 2¹ = 4000883 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4000883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57121 + ... + 57190.

It is an arithmetic number, because the mean of its divisors is an integer number (685872).

Almost surely, 2^4000885 is an apocalyptic number.

It is an amenable number.

4000885 is a deficient number, since it is larger than the sum of its proper divisors (1486091).

4000885 is a wasteful number, since it uses less digits than its factorization.

4000885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114323.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 4000885 is about 2000.2212377635. The cubic root of 4000885 is about 158.7518114163.

Adding to 4000885 its reverse (5880004), we get a palindrome (9880889).

The spelling of 4000885 in words is "four million, eight hundred eighty-five", and thus it is an aban number.