398316061 has 16 divisors (see below), whose sum is σ = 468595008. Its totient is φ = 333792000.

The previous prime is 398316059. The next prime is 398316097. The reversal of 398316061 is 160613893.

It is a cyclic number.

It is not a de Polignac number, because 398316061 - 2¹ = 398316059 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 398316061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398316011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138286 + ... + 141136.

It is an arithmetic number, because the mean of its divisors is an integer number (29287188).

Almost surely, 2^398316061 is an apocalyptic number.

It is an amenable number.

398316061 is a deficient number, since it is larger than the sum of its proper divisors (70278947).

398316061 is a wasteful number, since it uses less digits than its factorization.

398316061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3852.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 398316061 is about 19957.8571244510. The cubic root of 398316061 is about 735.7708980185.

The spelling of 398316061 in words is "three hundred ninety-eight million, three hundred sixteen thousand, sixty-one".