3951006 has 16 divisors (see below), whose sum is σ = 8095248. Its totient is φ = 1284800.

The previous prime is 3951001. The next prime is 3951023. The reversal of 3951006 is 6001593.

It is a super-2 number, since 2×3951006² = 31220896824072, which contains 22 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3951001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7785 + ... + 8276.

It is an arithmetic number, because the mean of its divisors is an integer number (505953).

Almost surely, 2^3951006 is an apocalyptic number.

3951006 is an abundant number, since it is smaller than the sum of its proper divisors (4144242).

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

3951006 is a wasteful number, since it uses less digits than its factorization.

3951006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16107.

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 3951006 is about 1987.7137620895. The cubic root of 3951006 is about 158.0893315269.

Adding to 3951006 its reverse (6001593), we get a palindrome (9952599).

The spelling of 3951006 in words is "three million, nine hundred fifty-one thousand, six".