4006775 has 12 divisors (see below), whose sum is σ = 4994472. Its totient is φ = 3188640.

The previous prime is 4006763. The next prime is 4006789. The reversal of 4006775 is 5776004.

It is not a de Polignac number, because 4006775 - 2¹² = 4002679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7052 + ... + 7598.

It is an arithmetic number, because the mean of its divisors is an integer number (416206).

Almost surely, 2^4006775 is an apocalyptic number.

4006775 is a deficient number, since it is larger than the sum of its proper divisors (987697).

4006775 is a wasteful number, since it uses less digits than its factorization.

4006775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850 (or 845 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 4006775 is about 2001.6930334095. The cubic root of 4006775 is about 158.8296766630.

The spelling of 4006775 in words is "four million, six thousand, seven hundred seventy-five".