3920386 has 8 divisors (see below), whose sum is σ = 5937984. Its totient is φ = 1941060.

The previous prime is 3920383. The next prime is 3920401. The reversal of 3920386 is 6830293.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (3920383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9310 + ... + 9721.

It is an arithmetic number, because the mean of its divisors is an integer number (742248).

Almost surely, 2^3920386 is an apocalyptic number.

3920386 is a deficient number, since it is larger than the sum of its proper divisors (2017598).

3920386 is a wasteful number, since it uses less digits than its factorization.

3920386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19136.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 3920386 is about 1979.9964646433. The cubic root of 3920386 is about 157.6798784694.

The spelling of 3920386 in words is "three million, nine hundred twenty thousand, three hundred eighty-six".