398655063 has 6 divisors (see below), whose sum is σ = 575835104. Its totient is φ = 265770036.

The previous prime is 398655053. The next prime is 398655077. The reversal of 398655063 is 360556893.

398655063 is a `hidden beast` number, since 3 + 98 + 6 + 550 + 6 + 3 = 666.

It is not a de Polignac number, because 398655063 - 2¹⁷ = 398523991 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 (398655053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22147495 + ... + 22147512.

Almost surely, 2^398655063 is an apocalyptic number.

398655063 is a deficient number, since it is larger than the sum of its proper divisors (177180041).

398655063 is a wasteful number, since it uses less digits than its factorization.

398655063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44295013 (or 44295010 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 45.

The square root of 398655063 is about 19966.3482640166. The cubic root of 398655063 is about 735.9795740777.

It can be divided in two parts, 3986 and 55063, that added together give a 10-th power (59049 = 3¹⁰).

The spelling of 398655063 in words is "three hundred ninety-eight million, six hundred fifty-five thousand, sixty-three".