3920902 has 8 divisors (see below), whose sum is σ = 6137136. Its totient is φ = 1875192.

The previous prime is 3920899. The next prime is 3920909. The reversal of 3920902 is 2090293.

3920902 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3920909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42573 + ... + 42664.

It is an arithmetic number, because the mean of its divisors is an integer number (767142).

Almost surely, 2^3920902 is an apocalyptic number.

3920902 is a deficient number, since it is larger than the sum of its proper divisors (2216234).

3920902 is a wasteful number, since it uses less digits than its factorization.

3920902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85262.

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

The square root of 3920902 is about 1980.1267636189. The cubic root of 3920902 is about 157.6867960916.

Subtracting from 3920902 its reverse (2090293), we obtain a square (1830609 = 1353²).

The spelling of 3920902 in words is "three million, nine hundred twenty thousand, nine hundred two".