4069855 has 4 divisors (see below), whose sum is σ = 4883832. Its totient is φ = 3255880.

The previous prime is 4069847. The next prime is 4069861. The reversal of 4069855 is 5589604.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4069855 - 2³ = 4069847 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 3 ways as a sum of consecutive naturals, for example, 406981 + ... + 406990.

It is an arithmetic number, because the mean of its divisors is an integer number (1220958).

Almost surely, 2^4069855 is an apocalyptic number.

4069855 is a deficient number, since it is larger than the sum of its proper divisors (813977).

4069855 is an equidigital number, since it uses as much as digits as its factorization.

4069855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813976.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 4069855 is about 2017.3881629473. The cubic root of 4069855 is about 159.6588434056.

The spelling of 4069855 in words is "four million, sixty-nine thousand, eight hundred fifty-five".