4457485 has 12 divisors (see below), whose sum is σ = 5688468. Its totient is φ = 3341568.

The previous prime is 4457477. The next prime is 4457489. The reversal of 4457485 is 5847544.

It can be written as a sum of positive squares in 6 ways, for example, as 1408969 + 3048516 = 1187^2 + 1746^2 .

It is not a de Polignac number, because 4457485 - 2³ = 4457477 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 (4457489) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19351 + ... + 19579.

It is an arithmetic number, because the mean of its divisors is an integer number (474039).

Almost surely, 2^4457485 is an apocalyptic number.

It is an amenable number.

4457485 is a deficient number, since it is larger than the sum of its proper divisors (1230983).

4457485 is an equidigital number, since it uses as much as digits as its factorization.

4457485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480 (or 251 counting only the distinct ones).

The product of its digits is 89600, while the sum is 37.

The square root of 4457485 is about 2111.2756807201. The cubic root of 4457485 is about 164.5747851495.

The spelling of 4457485 in words is "four million, four hundred fifty-seven thousand, four hundred eighty-five".