8480457 has 14 divisors (see below), whose sum is σ = 12715962. Its totient is φ = 5653152.

The previous prime is 8480447. The next prime is 8480471. The reversal of 8480457 is 7540848.

It can be written as a sum of positive squares in only one way, i.e., 7733961 + 746496 = 2781^2 + 864^2 .

It is not a de Polignac number, because 8480457 - 2¹⁴ = 8464073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8480447) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 5088 + ... + 6545.

It is an arithmetic number, because the mean of its divisors is an integer number (908283).

Almost surely, 2^8480457 is an apocalyptic number.

It is an amenable number.

8480457 is a deficient number, since it is larger than the sum of its proper divisors (4235505).

8480457 is an equidigital number, since it uses as much as digits as its factorization.

8480457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11651 (or 11636 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 8480457 is about 2912.1224218772. The cubic root of 8480457 is about 203.9262276502.

The spelling of 8480457 in words is "eight million, four hundred eighty thousand, four hundred fifty-seven".