498340385 has 4 divisors (see below), whose sum is σ = 598008468. Its totient is φ = 398672304.

The previous prime is 498340369. The next prime is 498340399. The reversal of 498340385 is 583043894.

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 374151649 + 124188736 = 19343^2 + 11144^2 .

It is a cyclic number.

It is not a de Polignac number, because 498340385 - 2⁴ = 498340369 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49834034 + ... + 49834043.

It is an arithmetic number, because the mean of its divisors is an integer number (149502117).

Almost surely, 2^498340385 is an apocalyptic number.

It is an amenable number.

498340385 is a deficient number, since it is larger than the sum of its proper divisors (99668083).

498340385 is an equidigital number, since it uses as much as digits as its factorization.

498340385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99668082.

The product of its (nonzero) digits is 414720, while the sum is 44.

The square root of 498340385 is about 22323.5388099647. The cubic root of 498340385 is about 792.8213943865.

The spelling of 498340385 in words is "four hundred ninety-eight million, three hundred forty thousand, three hundred eighty-five".