498688405 has 16 divisors (see below), whose sum is σ = 620590464. Its totient is φ = 384384960.

The previous prime is 498688403. The next prime is 498688417. The reversal of 498688405 is 504886894.

It is not a de Polignac number, because 498688405 - 2¹ = 498688403 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 (498688403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5970 + ... + 32140.

It is an arithmetic number, because the mean of its divisors is an integer number (38786904).

Almost surely, 2^498688405 is an apocalyptic number.

It is an amenable number.

498688405 is a deficient number, since it is larger than the sum of its proper divisors (121902059).

498688405 is a wasteful number, since it uses less digits than its factorization.

498688405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26316.

The product of its (nonzero) digits is 2211840, while the sum is 52.

The square root of 498688405 is about 22331.3323606094. The cubic root of 498688405 is about 793.0059091647.

The spelling of 498688405 in words is "four hundred ninety-eight million, six hundred eighty-eight thousand, four hundred five".