398599455 has 8 divisors (see below), whose sum is σ = 637759152. Its totient is φ = 212586368.

The previous prime is 398599451. The next prime is 398599471. The reversal of 398599455 is 554995893.

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

It is a cyclic number.

It is not a de Polignac number, because 398599455 - 2² = 398599451 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 398599395 and 398599404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398599451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13286634 + ... + 13286663.

It is an arithmetic number, because the mean of its divisors is an integer number (79719894).

Almost surely, 2^398599455 is an apocalyptic number.

398599455 is a deficient number, since it is larger than the sum of its proper divisors (239159697).

398599455 is a wasteful number, since it uses less digits than its factorization.

398599455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26573305.

The product of its digits is 8748000, while the sum is 57.

The square root of 398599455 is about 19964.9556723775. The cubic root of 398599455 is about 735.9453521324.

The spelling of 398599455 in words is "three hundred ninety-eight million, five hundred ninety-nine thousand, four hundred fifty-five".