4070865 has 16 divisors (see below), whose sum is σ = 6547968. Its totient is φ = 2159616.

The previous prime is 4070861. The next prime is 4070867. The reversal of 4070865 is 5680704.

It is a happy number.

It is not a de Polignac number, because 4070865 - 2² = 4070861 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4070861) by changing a digit.

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, 2737 + ... + 3953.

It is an arithmetic number, because the mean of its divisors is an integer number (409248).

Almost surely, 2^4070865 is an apocalyptic number.

It is an amenable number.

4070865 is a deficient number, since it is larger than the sum of its proper divisors (2477103).

4070865 is a wasteful number, since it uses less digits than its factorization.

4070865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 4070865 is about 2017.6384710845. The cubic root of 4070865 is about 159.6720496168.

The spelling of 4070865 in words is "four million, seventy thousand, eight hundred sixty-five".