3996679 has 4 divisors (see below), whose sum is σ = 4027320. Its totient is φ = 3966040.

The previous prime is 3996653. The next prime is 3996743. The reversal of 3996679 is 9766993.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9766993 = 17 ⋅574529.

It is a cyclic number.

It is not a de Polignac number, because 3996679 - 2⁵ = 3996647 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3996079) by changing a digit.

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, 15124 + ... + 15385.

It is an arithmetic number, because the mean of its divisors is an integer number (1006830).

Almost surely, 2^3996679 is an apocalyptic number.

3996679 is a deficient number, since it is larger than the sum of its proper divisors (30641).

3996679 is a wasteful number, since it uses less digits than its factorization.

3996679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30640.

The product of its digits is 551124, while the sum is 49.

The square root of 3996679 is about 1999.1695775997. The cubic root of 3996679 is about 158.6961617091.

The spelling of 3996679 in words is "three million, nine hundred ninety-six thousand, six hundred seventy-nine".