3922905 has 16 divisors (see below), whose sum is σ = 7173504. Its totient is φ = 1793280.

The previous prime is 3922871. The next prime is 3922907. The reversal of 3922905 is 5092293.

It is not a de Polignac number, because 3922905 - 2¹⁰ = 3921881 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3922907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18576 + ... + 18785.

It is an arithmetic number, because the mean of its divisors is an integer number (448344).

Almost surely, 2^3922905 is an apocalyptic number.

3922905 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3922905 is a deficient number, since it is larger than the sum of its proper divisors (3250599).

3922905 is a wasteful number, since it uses less digits than its factorization.

3922905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37376.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 3922905 is about 1980.6324747413. The cubic root of 3922905 is about 157.7136430505.

The spelling of 3922905 in words is "three million, nine hundred twenty-two thousand, nine hundred five".