4006375 has 8 divisors (see below), whose sum is σ = 5000112. Its totient is φ = 3205000.

The previous prime is 4006363. The next prime is 4006381. The reversal of 4006375 is 5736004.

It is not a de Polignac number, because 4006375 - 2²¹ = 1909223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15901 + ... + 16150.

It is an arithmetic number, because the mean of its divisors is an integer number (625014).

Almost surely, 2^4006375 is an apocalyptic number.

4006375 is a deficient number, since it is larger than the sum of its proper divisors (993737).

4006375 is an equidigital number, since it uses as much as digits as its factorization.

4006375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32066 (or 32056 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 4006375 is about 2001.5931154958. The cubic root of 4006375 is about 158.8243911167.

The spelling of 4006375 in words is "four million, six thousand, three hundred seventy-five".