6635479 has 8 divisors (see below), whose sum is σ = 6810608. Its totient is φ = 6462720.

The previous prime is 6635467. The next prime is 6635513. The reversal of 6635479 is 9745366.

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 6635479 - 2⁹ = 6634967 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 (6635179) 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, 5989 + ... + 7009.

It is an arithmetic number, because the mean of its divisors is an integer number (851326).

Almost surely, 2^6635479 is an apocalyptic number.

6635479 is a deficient number, since it is larger than the sum of its proper divisors (175129).

6635479 is a wasteful number, since it uses less digits than its factorization.

6635479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185.

The product of its digits is 136080, while the sum is 40.

The square root of 6635479 is about 2575.9423518394. The cubic root of 6635479 is about 187.9132597441.

The spelling of 6635479 in words is "six million, six hundred thirty-five thousand, four hundred seventy-nine".