398496562 has 8 divisors (see below), whose sum is σ = 598382892. Its totient is φ = 199035600.

The previous prime is 398496509. The next prime is 398496583. The reversal of 398496562 is 265694893.

It can be written as a sum of positive squares in 2 ways, for example, as 365995161 + 32501401 = 19131^2 + 5701^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103989 + ... + 107752.

Almost surely, 2^398496562 is an apocalyptic number.

398496562 is a deficient number, since it is larger than the sum of its proper divisors (199886330).

398496562 is a wasteful number, since it uses less digits than its factorization.

398496562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212684.

The product of its digits is 2799360, while the sum is 52.

The square root of 398496562 is about 19962.3786658805. The cubic root of 398496562 is about 735.8820219390.

The spelling of 398496562 in words is "three hundred ninety-eight million, four hundred ninety-six thousand, five hundred sixty-two".