3900902 has 8 divisors (see below), whose sum is σ = 5860512. Its totient is φ = 1947400.

The previous prime is 3900893. The next prime is 3900907. The reversal of 3900902 is 2090093.

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

It is a super-3 number, since 3×3900902³ (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3900907) 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 3 ways as a sum of consecutive naturals, for example, 752 + ... + 2892.

It is an arithmetic number, because the mean of its divisors is an integer number (732564).

Almost surely, 2^3900902 is an apocalyptic number.

3900902 is a deficient number, since it is larger than the sum of its proper divisors (1959610).

3900902 is a wasteful number, since it uses less digits than its factorization.

3900902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3054.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 3900902 is about 1975.0701253373. The cubic root of 3900902 is about 157.4182257956.

Adding to 3900902 its reverse (2090093), we get a palindrome (5990995).

The spelling of 3900902 in words is "three million, nine hundred thousand, nine hundred two".