4006245 has 16 divisors (see below), whose sum is σ = 6747840. Its totient is φ = 2024064.

The previous prime is 4006243. The next prime is 4006253. The reversal of 4006245 is 5426004.

It is a happy number.

4006245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4006245 - 2¹ = 4006243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4006241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6744 + ... + 7313.

It is an arithmetic number, because the mean of its divisors is an integer number (421740).

Almost surely, 2^4006245 is an apocalyptic number.

It is an amenable number.

4006245 is a deficient number, since it is larger than the sum of its proper divisors (2741595).

4006245 is a wasteful number, since it uses less digits than its factorization.

4006245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14084.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 4006245 is about 2001.5606410998. The cubic root of 4006245 is about 158.8226732383.

The spelling of 4006245 in words is "four million, six thousand, two hundred forty-five".