4479091 has 4 divisors (see below), whose sum is σ = 4494672. Its totient is φ = 4463512.

The previous prime is 4479073. The next prime is 4479121. The reversal of 4479091 is 1909744.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4479091 - 2¹¹ = 4477043 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4479001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7351 + ... + 7936.

It is an arithmetic number, because the mean of its divisors is an integer number (1123668).

Almost surely, 2^4479091 is an apocalyptic number.

4479091 is a deficient number, since it is larger than the sum of its proper divisors (15581).

4479091 is a wasteful number, since it uses less digits than its factorization.

4479091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15580.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 4479091 is about 2116.3863068920. The cubic root of 4479091 is about 164.8402616895.

The spelling of 4479091 in words is "four million, four hundred seventy-nine thousand, ninety-one".