3906380 has 12 divisors (see below), whose sum is σ = 8203440. Its totient is φ = 1562544.

The previous prime is 3906373. The next prime is 3906401. The reversal of 3906380 is 836093.

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 3 ways as a sum of consecutive naturals, for example, 97640 + ... + 97679.

It is an arithmetic number, because the mean of its divisors is an integer number (683620).

Almost surely, 2^3906380 is an apocalyptic number.

It is an amenable number.

3906380 is an abundant number, since it is smaller than the sum of its proper divisors (4297060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3906380 is a wasteful number, since it uses less digits than its factorization.

3906380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195328 (or 195326 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 3906380 is about 1976.4564250193. The cubic root of 3906380 is about 157.4918783080.

The spelling of 3906380 in words is "three million, nine hundred six thousand, three hundred eighty".