3905822 has 4 divisors (see below), whose sum is σ = 5858736. Its totient is φ = 1952910.

The previous prime is 3905809. The next prime is 3905833. The reversal of 3905822 is 2285093.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2285093 = 47 ⋅48619.

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 as a sum of consecutive naturals, namely, 976454 + ... + 976457.

It is an arithmetic number, because the mean of its divisors is an integer number (1464684).

Almost surely, 2^3905822 is an apocalyptic number.

3905822 is a deficient number, since it is larger than the sum of its proper divisors (1952914).

3905822 is a wasteful number, since it uses less digits than its factorization.

3905822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1952913.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 3905822 is about 1976.3152582521. The cubic root of 3905822 is about 157.4843790672.

The spelling of 3905822 in words is "three million, nine hundred five thousand, eight hundred twenty-two".