4078245 has 16 divisors (see below), whose sum is σ = 6809472. Its totient is φ = 2080320.

The previous prime is 4078231. The next prime is 4078253. The reversal of 4078245 is 5428704.

It is not a de Polignac number, because 4078245 - 2⁵ = 4078213 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 5566 + ... + 6255.

It is an arithmetic number, because the mean of its divisors is an integer number (425592).

Almost surely, 2^4078245 is an apocalyptic number.

It is an amenable number.

4078245 is a deficient number, since it is larger than the sum of its proper divisors (2731227).

4078245 is a wasteful number, since it uses less digits than its factorization.

4078245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11852.

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 4078245 is about 2019.4665137110. The cubic root of 4078245 is about 159.7684802571.

The spelling of 4078245 in words is "four million, seventy-eight thousand, two hundred forty-five".