498813407 has 4 divisors (see below), whose sum is σ = 499924800. Its totient is φ = 497702016.

The previous prime is 498813401. The next prime is 498813433. The reversal of 498813407 is 704318894.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 498813407 - 2²⁸ = 230377951 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 (498813401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555023 + ... + 555920.

It is an arithmetic number, because the mean of its divisors is an integer number (124981200).

Almost surely, 2^498813407 is an apocalyptic number.

498813407 is a deficient number, since it is larger than the sum of its proper divisors (1111393).

498813407 is a wasteful number, since it uses less digits than its factorization.

498813407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111392.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 498813407 is about 22334.1309882431. The cubic root of 498813407 is about 793.0721623215.

The spelling of 498813407 in words is "four hundred ninety-eight million, eight hundred thirteen thousand, four hundred seven".