4479345 has 72 divisors (see below), whose sum is σ = 9135360. Its totient is φ = 2021760.

The previous prime is 4479323. The next prime is 4479361. The reversal of 4479345 is 5439744.

It is not a de Polignac number, because 4479345 - 2⁹ = 4478833 is a prime.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 144480 + ... + 144510.

It is an arithmetic number, because the mean of its divisors is an integer number (126880).

Almost surely, 2^4479345 is an apocalyptic number.

4479345 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4479345 is an abundant number, since it is smaller than the sum of its proper divisors (4656015).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4479345 is a wasteful number, since it uses less digits than its factorization.

4479345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87 (or 71 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 4479345 is about 2116.4463139896. The cubic root of 4479345 is about 164.8433775476.

The spelling of 4479345 in words is "four million, four hundred seventy-nine thousand, three hundred forty-five".