498745485 has 64 divisors (see below), whose sum is σ = 1016271360. Its totient is φ = 227335680.

The previous prime is 498745477. The next prime is 498745487. The reversal of 498745485 is 584547894.

It is a happy number.

498745485 is a `hidden beast` number, since 4 + 98 + 7 + 4 + 548 + 5 = 666.

It is not a de Polignac number, because 498745485 - 2³ = 498745477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (498745487) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 491839 + ... + 492851.

It is an arithmetic number, because the mean of its divisors is an integer number (15879240).

Almost surely, 2^498745485 is an apocalyptic number.

498745485 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

498745485 is an abundant number, since it is smaller than the sum of its proper divisors (517525875).

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

498745485 is a wasteful number, since it uses less digits than its factorization.

498745485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555 (or 1549 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 54.

The square root of 498745485 is about 22332.6103489941. The cubic root of 498745485 is about 793.0361638955.

The spelling of 498745485 in words is "four hundred ninety-eight million, seven hundred forty-five thousand, four hundred eighty-five".