490005398 has 8 divisors (see below), whose sum is σ = 737721120. Its totient is φ = 244098360.

The previous prime is 490005377. The next prime is 490005407. The reversal of 490005398 is 893500094.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent 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, 451493 + ... + 452576.

It is an arithmetic number, because the mean of its divisors is an integer number (92215140).

Almost surely, 2^490005398 is an apocalyptic number.

490005398 is a deficient number, since it is larger than the sum of its proper divisors (247715722).

490005398 is a wasteful number, since it uses less digits than its factorization.

490005398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904342.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 490005398 is about 22136.0655492344. The cubic root of 490005398 is about 788.3764112933.

The spelling of 490005398 in words is "four hundred ninety million, five thousand, three hundred ninety-eight".