398820141 has 12 divisors (see below), whose sum is σ = 589471168. Its totient is φ = 259696584.

The previous prime is 398820139. The next prime is 398820181. The reversal of 398820141 is 141028893.

It is not a de Polignac number, because 398820141 - 2¹ = 398820139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 398820096 and 398820105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398820101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 514885 + ... + 515658.

Almost surely, 2^398820141 is an apocalyptic number.

It is an amenable number.

398820141 is a deficient number, since it is larger than the sum of its proper divisors (190651027).

398820141 is a wasteful number, since it uses less digits than its factorization.

398820141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1030592 (or 1030589 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 398820141 is about 19970.4817418108. The cubic root of 398820141 is about 736.0811466581.

It can be divided in two parts, 3988 and 20141, that multiplied together give a palindrome (80322308).

The spelling of 398820141 in words is "three hundred ninety-eight million, eight hundred twenty thousand, one hundred forty-one".