3943479 has 8 divisors (see below), whose sum is σ = 5427712. Its totient is φ = 2544120.

The previous prime is 3943451. The next prime is 3943481. The reversal of 3943479 is 9743493.

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

It is not a de Polignac number, because 3943479 - 2¹³ = 3935287 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3943409) 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, 21109 + ... + 21294.

It is an arithmetic number, because the mean of its divisors is an integer number (678464).

Almost surely, 2^3943479 is an apocalyptic number.

3943479 is a deficient number, since it is larger than the sum of its proper divisors (1484233).

3943479 is a wasteful number, since it uses less digits than its factorization.

3943479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42437.

The product of its digits is 81648, while the sum is 39.

The square root of 3943479 is about 1985.8194782004. The cubic root of 3943479 is about 157.9888765336.

The spelling of 3943479 in words is "three million, nine hundred forty-three thousand, four hundred seventy-nine".