3900916 has 24 divisors (see below), whose sum is σ = 7126784. Its totient is φ = 1866240.

The previous prime is 3900907. The next prime is 3900929. The reversal of 3900916 is 6190093.

It is a happy number.

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 in 7 ways as a sum of consecutive naturals, for example, 20116 + ... + 20308.

Almost surely, 2^3900916 is an apocalyptic number.

It is an amenable number.

3900916 is a deficient number, since it is larger than the sum of its proper divisors (3225868).

3900916 is a wasteful number, since it uses less digits than its factorization.

3900916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391 (or 389 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 3900916 is about 1975.0736695121. The cubic root of 3900916 is about 157.4184141156.

The spelling of 3900916 in words is "three million, nine hundred thousand, nine hundred sixteen".