3979009 has 8 divisors (see below), whose sum is σ = 4118688. Its totient is φ = 3841440.

The previous prime is 3978979. The next prime is 3979013. The reversal of 3979009 is 9009793.

It is a happy number.

3979009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 3979009 - 2⁹ = 3978497 is a prime.

It is a Duffinian number.

3979009 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3979039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3934 + ... + 4840.

It is an arithmetic number, because the mean of its divisors is an integer number (514836).

Almost surely, 2^3979009 is an apocalyptic number.

It is an amenable number.

3979009 is a deficient number, since it is larger than the sum of its proper divisors (139679).

3979009 is a wasteful number, since it uses less digits than its factorization.

3979009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055.

The product of its (nonzero) digits is 15309, while the sum is 37.

The square root of 3979009 is about 1994.7453471559. The cubic root of 3979009 is about 158.4619419218.

The spelling of 3979009 in words is "three million, nine hundred seventy-nine thousand, nine".