3922009 has 24 divisors (see below), whose sum is σ = 5056128. Its totient is φ = 3013920.

The previous prime is 3922007. The next prime is 3922013. The reversal of 3922009 is 9002293.

It is not a de Polignac number, because 3922009 - 2¹ = 3922007 is a prime.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (3922003) 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 23 ways as a sum of consecutive naturals, for example, 29874 + ... + 30004.

It is an arithmetic number, because the mean of its divisors is an integer number (210672).

Almost surely, 2^3922009 is an apocalyptic number.

It is an amenable number.

3922009 is a deficient number, since it is larger than the sum of its proper divisors (1134119).

3922009 is a wasteful number, since it uses less digits than its factorization.

3922009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 3922009 is about 1980.4062714504. The cubic root of 3922009 is about 157.7016347570.

It can be divided in two parts, 392 and 2009, that added together give a 4-th power (2401 = 7⁴).

The spelling of 3922009 in words is "three million, nine hundred twenty-two thousand, nine".