398820036484 has 27 divisors (see below), whose sum is σ = 736646151927. Its totient is φ = 188903386728.

The previous prime is 398820036473. The next prime is 398820036491. The reversal of 398820036484 is 484630028893.

The square root of 398820036484 is 631522.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 23989527 + ... + 24006145.

Almost surely, 2^398820036484 is an apocalyptic number.

398820036484 is the 631522-nd square number.

It is an amenable number.

398820036484 is a deficient number, since it is larger than the sum of its proper divisors (337826115443).

398820036484 is an frugal number, since it uses more digits than its factorization.

398820036484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33280 (or 16640 counting only the distinct ones).

The product of its (nonzero) digits is 7962624, while the sum is 55.

The spelling of 398820036484 in words is "three hundred ninety-eight billion, eight hundred twenty million, thirty-six thousand, four hundred eighty-four".