3928006 has 8 divisors (see below), whose sum is σ = 5900544. Its totient is φ = 1961160.

The previous prime is 3927997. The next prime is 3928013. The reversal of 3928006 is 6008293.

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

It is a super-2 number, since 2×3928006² = 30858462272072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1531 + ... + 3193.

It is an arithmetic number, because the mean of its divisors is an integer number (737568).

Almost surely, 2^3928006 is an apocalyptic number.

3928006 is a deficient number, since it is larger than the sum of its proper divisors (1972538).

3928006 is a wasteful number, since it uses less digits than its factorization.

3928006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2846.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 3928006 is about 1981.9197763784. The cubic root of 3928006 is about 157.7819724174.

The spelling of 3928006 in words is "three million, nine hundred twenty-eight thousand, six".