4047479 has 8 divisors (see below), whose sum is σ = 4390848. Its totient is φ = 3715840.

The previous prime is 4047473. The next prime is 4047487. The reversal of 4047479 is 9747404.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4047479 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 (4047473) 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, 2207 + ... + 3600.

It is an arithmetic number, because the mean of its divisors is an integer number (548856).

Almost surely, 2^4047479 is an apocalyptic number.

4047479 is a deficient number, since it is larger than the sum of its proper divisors (343369).

4047479 is a wasteful number, since it uses less digits than its factorization.

4047479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5865.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 4047479 is about 2011.8347347633. The cubic root of 4047479 is about 159.3657049045.

The spelling of 4047479 in words is "four million, forty-seven thousand, four hundred seventy-nine".