3975479 has 8 divisors (see below), whose sum is σ = 4139520. Its totient is φ = 3814776.

The previous prime is 3975473. The next prime is 3975487. The reversal of 3975479 is 9745793.

It is a happy number.

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 3975479 - 2⁴ = 3975463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3975473) 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 7 ways as a sum of consecutive naturals, for example, 1754 + ... + 3320.

It is an arithmetic number, because the mean of its divisors is an integer number (517440).

Almost surely, 2^3975479 is an apocalyptic number.

3975479 is a deficient number, since it is larger than the sum of its proper divisors (164041).

3975479 is a wasteful number, since it uses less digits than its factorization.

3975479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1669.

The product of its digits is 238140, while the sum is 44.

The square root of 3975479 is about 1993.8603261011. The cubic root of 3975479 is about 158.4150679260.

The spelling of 3975479 in words is "three million, nine hundred seventy-five thousand, four hundred seventy-nine".