4481657 has 4 divisors (see below), whose sum is σ = 4489716. Its totient is φ = 4473600.

The previous prime is 4481629. The next prime is 4481677. The reversal of 4481657 is 7561844.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2621161 + 1860496 = 1619^2 + 1364^2 .

It is a cyclic number.

It is not a de Polignac number, because 4481657 - 2⁶ = 4481593 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 (4481677) 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, 3128 + ... + 4329.

It is an arithmetic number, because the mean of its divisors is an integer number (1122429).

Almost surely, 2^4481657 is an apocalyptic number.

It is an amenable number.

4481657 is a deficient number, since it is larger than the sum of its proper divisors (8059).

4481657 is an equidigital number, since it uses as much as digits as its factorization.

4481657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8058.

The product of its digits is 26880, while the sum is 35.

The square root of 4481657 is about 2116.9924421216. The cubic root of 4481657 is about 164.8717338018.

The spelling of 4481657 in words is "four million, four hundred eighty-one thousand, six hundred fifty-seven".